Home / 14,729.59-20,324.55-8,440.75

Finding the Fourth Proportional to 14,729.59, 20,324.55 and 8,440.75

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Solution

The fourth proportional to 14,729.59, 20,324.55 and 8,440.75 is: 11,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.59 : 20,324.55 = 8,440.75 : x
  2. Step 2: Convert to fraction form
    14,729.59/20,324.55 = 8,440.75/x
  3. Step 3: Cross multiply
    14,729.59x = 20,324.55 × 8,440.75
  4. Step 4: Simplify right side
    14,729.59x = 171,554,445.41
  5. Step 5: Solve for x
    x = 171,554,445.41/14,729.59
  6. Step 6: Final answer
    x = 11,646.93

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Half scale
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Double 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.