Home / 11,148.97-15,387.14-6,901.39

Finding the Fourth Proportional to 11,148.97, 15,387.14 and 6,901.39

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Solution

The fourth proportional to 11,148.97, 15,387.14 and 6,901.39 is: 9,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.97 : 15,387.14 = 6,901.39 : x
  2. Step 2: Convert to fraction form
    11,148.97/15,387.14 = 6,901.39/x
  3. Step 3: Cross multiply
    11,148.97x = 15,387.14 × 6,901.39
  4. Step 4: Simplify right side
    11,148.97x = 106,192,654.12
  5. Step 5: Solve for x
    x = 106,192,654.12/11,148.97
  6. Step 6: Final answer
    x = 9,524.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.