Home / 11,561.39-15,954.76-6,256.21

Finding the Fourth Proportional to 11,561.39, 15,954.76 and 6,256.21

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Solution

The fourth proportional to 11,561.39, 15,954.76 and 6,256.21 is: 8,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.39 : 15,954.76 = 6,256.21 : x
  2. Step 2: Convert to fraction form
    11,561.39/15,954.76 = 6,256.21/x
  3. Step 3: Cross multiply
    11,561.39x = 15,954.76 × 6,256.21
  4. Step 4: Simplify right side
    11,561.39x = 99,816,304.81
  5. Step 5: Solve for x
    x = 99,816,304.81/11,561.39
  6. Step 6: Final answer
    x = 8,633.59

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Half scale
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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.