Home / 15,243.87-22,873.10-5,387.79

Finding the Fourth Proportional to 15,243.87, 22,873.10 and 5,387.79

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Solution

The fourth proportional to 15,243.87, 22,873.10 and 5,387.79 is: 8,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.87 : 22,873.10 = 5,387.79 : x
  2. Step 2: Convert to fraction form
    15,243.87/22,873.10 = 5,387.79/x
  3. Step 3: Cross multiply
    15,243.87x = 22,873.10 × 5,387.79
  4. Step 4: Simplify right side
    15,243.87x = 123,235,459.45
  5. Step 5: Solve for x
    x = 123,235,459.45/15,243.87
  6. Step 6: Final answer
    x = 8,084.26

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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.