Home / 20,167.52-30,242.10-8,474.36

Finding the Fourth Proportional to 20,167.52, 30,242.10 and 8,474.36

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Solution

The fourth proportional to 20,167.52, 30,242.10 and 8,474.36 is: 12,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,167.52 : 30,242.10 = 8,474.36 : x
  2. Step 2: Convert to fraction form
    20,167.52/30,242.10 = 8,474.36/x
  3. Step 3: Cross multiply
    20,167.52x = 30,242.10 × 8,474.36
  4. Step 4: Simplify right side
    20,167.52x = 256,282,442.56
  5. Step 5: Solve for x
    x = 256,282,442.56/20,167.52
  6. Step 6: Final answer
    x = 12,707.68

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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.