Home / 10,242.88-15,373.48-5,248.66

Finding the Fourth Proportional to 10,242.88, 15,373.48 and 5,248.66

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Solution

The fourth proportional to 10,242.88, 15,373.48 and 5,248.66 is: 7,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.88 : 15,373.48 = 5,248.66 : x
  2. Step 2: Convert to fraction form
    10,242.88/15,373.48 = 5,248.66/x
  3. Step 3: Cross multiply
    10,242.88x = 15,373.48 × 5,248.66
  4. Step 4: Simplify right side
    10,242.88x = 80,690,169.54
  5. Step 5: Solve for x
    x = 80,690,169.54/10,242.88
  6. Step 6: Final answer
    x = 7,877.68

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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.