Home / 11,134.64-15,377.28-9,635.36

Finding the Fourth Proportional to 11,134.64, 15,377.28 and 9,635.36

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Solution

The fourth proportional to 11,134.64, 15,377.28 and 9,635.36 is: 13,306.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.64 : 15,377.28 = 9,635.36 : x
  2. Step 2: Convert to fraction form
    11,134.64/15,377.28 = 9,635.36/x
  3. Step 3: Cross multiply
    11,134.64x = 15,377.28 × 9,635.36
  4. Step 4: Simplify right side
    11,134.64x = 148,165,628.62
  5. Step 5: Solve for x
    x = 148,165,628.62/11,134.64
  6. Step 6: Final answer
    x = 13,306.73

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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.