Home / 18,230.10-27,345.15-15,314.10

Finding the Fourth Proportional to 18,230.10, 27,345.15 and 15,314.10

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Solution

The fourth proportional to 18,230.10, 27,345.15 and 15,314.10 is: 22,971.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230.10 : 27,345.15 = 15,314.10 : x
  2. Step 2: Convert to fraction form
    18,230.10/27,345.15 = 15,314.10/x
  3. Step 3: Cross multiply
    18,230.10x = 27,345.15 × 15,314.10
  4. Step 4: Simplify right side
    18,230.10x = 418,766,361.62
  5. Step 5: Solve for x
    x = 418,766,361.62/18,230.10
  6. Step 6: Final answer
    x = 22,971.15

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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.