Home / 15,108.86-22,663.56-5,248.46

Finding the Fourth Proportional to 15,108.86, 22,663.56 and 5,248.46

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Solution

The fourth proportional to 15,108.86, 22,663.56 and 5,248.46 is: 7,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.86 : 22,663.56 = 5,248.46 : x
  2. Step 2: Convert to fraction form
    15,108.86/22,663.56 = 5,248.46/x
  3. Step 3: Cross multiply
    15,108.86x = 22,663.56 × 5,248.46
  4. Step 4: Simplify right side
    15,108.86x = 118,948,788.12
  5. Step 5: Solve for x
    x = 118,948,788.12/15,108.86
  6. Step 6: Final answer
    x = 7,872.78

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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.