Home / 10,954.82-15,117.36-6,240.62

Finding the Fourth Proportional to 10,954.82, 15,117.36 and 6,240.62

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Solution

The fourth proportional to 10,954.82, 15,117.36 and 6,240.62 is: 8,611.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.82 : 15,117.36 = 6,240.62 : x
  2. Step 2: Convert to fraction form
    10,954.82/15,117.36 = 6,240.62/x
  3. Step 3: Cross multiply
    10,954.82x = 15,117.36 × 6,240.62
  4. Step 4: Simplify right side
    10,954.82x = 94,341,699.16
  5. Step 5: Solve for x
    x = 94,341,699.16/10,954.82
  6. Step 6: Final answer
    x = 8,611.89

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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.