Home / 20,442.27-30,663.10-5,650.86

Finding the Fourth Proportional to 20,442.27, 30,663.10 and 5,650.86

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Solution

The fourth proportional to 20,442.27, 30,663.10 and 5,650.86 is: 8,476.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.27 : 30,663.10 = 5,650.86 : x
  2. Step 2: Convert to fraction form
    20,442.27/30,663.10 = 5,650.86/x
  3. Step 3: Cross multiply
    20,442.27x = 30,663.10 × 5,650.86
  4. Step 4: Simplify right side
    20,442.27x = 173,272,885.27
  5. Step 5: Solve for x
    x = 173,272,885.27/20,442.27
  6. Step 6: Final answer
    x = 8,476.21

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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.