Home / 15,288.31-22,930-4,192.42

Finding the Fourth Proportional to 15,288.31, 22,930 and 4,192.42

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Solution

The fourth proportional to 15,288.31, 22,930 and 4,192.42 is: 6,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.31 : 22,930 = 4,192.42 : x
  2. Step 2: Convert to fraction form
    15,288.31/22,930 = 4,192.42/x
  3. Step 3: Cross multiply
    15,288.31x = 22,930 × 4,192.42
  4. Step 4: Simplify right side
    15,288.31x = 96,132,190.60
  5. Step 5: Solve for x
    x = 96,132,190.60/15,288.31
  6. Step 6: Final answer
    x = 6,287.96

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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.