Home / 19,718.38-27,211.17-10,766.17

Finding the Fourth Proportional to 19,718.38, 27,211.17 and 10,766.17

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Solution

The fourth proportional to 19,718.38, 27,211.17 and 10,766.17 is: 14,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.38 : 27,211.17 = 10,766.17 : x
  2. Step 2: Convert to fraction form
    19,718.38/27,211.17 = 10,766.17/x
  3. Step 3: Cross multiply
    19,718.38x = 27,211.17 × 10,766.17
  4. Step 4: Simplify right side
    19,718.38x = 292,960,082.12
  5. Step 5: Solve for x
    x = 292,960,082.12/19,718.38
  6. Step 6: Final answer
    x = 14,857.21

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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.