Home / 16,629.43-22,951.56-9,915.49

Finding the Fourth Proportional to 16,629.43, 22,951.56 and 9,915.49

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Solution

The fourth proportional to 16,629.43, 22,951.56 and 9,915.49 is: 13,685.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,629.43 : 22,951.56 = 9,915.49 : x
  2. Step 2: Convert to fraction form
    16,629.43/22,951.56 = 9,915.49/x
  3. Step 3: Cross multiply
    16,629.43x = 22,951.56 × 9,915.49
  4. Step 4: Simplify right side
    16,629.43x = 227,575,963.66
  5. Step 5: Solve for x
    x = 227,575,963.66/16,629.43
  6. Step 6: Final answer
    x = 13,685.13

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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.