Home / 10,954.47-15,117.14-6,238.76

Finding the Fourth Proportional to 10,954.47, 15,117.14 and 6,238.76

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Solution

The fourth proportional to 10,954.47, 15,117.14 and 6,238.76 is: 8,609.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.47 : 15,117.14 = 6,238.76 : x
  2. Step 2: Convert to fraction form
    10,954.47/15,117.14 = 6,238.76/x
  3. Step 3: Cross multiply
    10,954.47x = 15,117.14 × 6,238.76
  4. Step 4: Simplify right side
    10,954.47x = 94,312,261.74
  5. Step 5: Solve for x
    x = 94,312,261.74/10,954.47
  6. Step 6: Final answer
    x = 8,609.48

Related Problems

Find fourth proportional to 5,477.24, 7,558.57 and 3,119.38
Half scale
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Double scale
Find fourth proportional to 10,955.47, 15,118.52 and 6,239.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.