Home / 15,147.92-22,719.45-4,762.10

Finding the Fourth Proportional to 15,147.92, 22,719.45 and 4,762.10

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Solution

The fourth proportional to 15,147.92, 22,719.45 and 4,762.10 is: 7,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.92 : 22,719.45 = 4,762.10 : x
  2. Step 2: Convert to fraction form
    15,147.92/22,719.45 = 4,762.10/x
  3. Step 3: Cross multiply
    15,147.92x = 22,719.45 × 4,762.10
  4. Step 4: Simplify right side
    15,147.92x = 108,192,292.85
  5. Step 5: Solve for x
    x = 108,192,292.85/15,147.92
  6. Step 6: Final answer
    x = 7,142.39

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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.