Home / 16,767.90-23,139.54-9,694.17

Finding the Fourth Proportional to 16,767.90, 23,139.54 and 9,694.17

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Solution

The fourth proportional to 16,767.90, 23,139.54 and 9,694.17 is: 13,377.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,767.90 : 23,139.54 = 9,694.17 : x
  2. Step 2: Convert to fraction form
    16,767.90/23,139.54 = 9,694.17/x
  3. Step 3: Cross multiply
    16,767.90x = 23,139.54 × 9,694.17
  4. Step 4: Simplify right side
    16,767.90x = 224,318,634.48
  5. Step 5: Solve for x
    x = 224,318,634.48/16,767.90
  6. Step 6: Final answer
    x = 13,377.86

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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.