Home / 16,631.71-22,951.19-9,913.88

Finding the Fourth Proportional to 16,631.71, 22,951.19 and 9,913.88

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Solution

The fourth proportional to 16,631.71, 22,951.19 and 9,913.88 is: 13,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.71 : 22,951.19 = 9,913.88 : x
  2. Step 2: Convert to fraction form
    16,631.71/22,951.19 = 9,913.88/x
  3. Step 3: Cross multiply
    16,631.71x = 22,951.19 × 9,913.88
  4. Step 4: Simplify right side
    16,631.71x = 227,535,203.98
  5. Step 5: Solve for x
    x = 227,535,203.98/16,631.71
  6. Step 6: Final answer
    x = 13,680.81

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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.