Home / 18,539.46-27,792.28-8,002.90

Finding the Fourth Proportional to 18,539.46, 27,792.28 and 8,002.90

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Solution

The fourth proportional to 18,539.46, 27,792.28 and 8,002.90 is: 11,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,539.46 : 27,792.28 = 8,002.90 : x
  2. Step 2: Convert to fraction form
    18,539.46/27,792.28 = 8,002.90/x
  3. Step 3: Cross multiply
    18,539.46x = 27,792.28 × 8,002.90
  4. Step 4: Simplify right side
    18,539.46x = 222,418,837.61
  5. Step 5: Solve for x
    x = 222,418,837.61/18,539.46
  6. Step 6: Final answer
    x = 11,997.05

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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.