Home / 21,569.27-29,766.24-11,747.16

Finding the Fourth Proportional to 21,569.27, 29,766.24 and 11,747.16

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Solution

The fourth proportional to 21,569.27, 29,766.24 and 11,747.16 is: 16,211.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,569.27 : 29,766.24 = 11,747.16 : x
  2. Step 2: Convert to fraction form
    21,569.27/29,766.24 = 11,747.16/x
  3. Step 3: Cross multiply
    21,569.27x = 29,766.24 × 11,747.16
  4. Step 4: Simplify right side
    21,569.27x = 349,668,783.88
  5. Step 5: Solve for x
    x = 349,668,783.88/21,569.27
  6. Step 6: Final answer
    x = 16,211.44

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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.