Home / 15,592.60-21,517.53-8,518.87

Finding the Fourth Proportional to 15,592.60, 21,517.53 and 8,518.87

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Solution

The fourth proportional to 15,592.60, 21,517.53 and 8,518.87 is: 11,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.60 : 21,517.53 = 8,518.87 : x
  2. Step 2: Convert to fraction form
    15,592.60/21,517.53 = 8,518.87/x
  3. Step 3: Cross multiply
    15,592.60x = 21,517.53 × 8,518.87
  4. Step 4: Simplify right side
    15,592.60x = 183,304,933.20
  5. Step 5: Solve for x
    x = 183,304,933.20/15,592.60
  6. Step 6: Final answer
    x = 11,755.90

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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.