Home / 18,512.28-27,702.48-13,569.66

Finding the Fourth Proportional to 18,512.28, 27,702.48 and 13,569.66

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Solution

The fourth proportional to 18,512.28, 27,702.48 and 13,569.66 is: 20,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.28 : 27,702.48 = 13,569.66 : x
  2. Step 2: Convert to fraction form
    18,512.28/27,702.48 = 13,569.66/x
  3. Step 3: Cross multiply
    18,512.28x = 27,702.48 × 13,569.66
  4. Step 4: Simplify right side
    18,512.28x = 375,913,234.76
  5. Step 5: Solve for x
    x = 375,913,234.76/18,512.28
  6. Step 6: Final answer
    x = 20,306.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.