Home / 10,134.30-13,985.55-6,357.61

Finding the Fourth Proportional to 10,134.30, 13,985.55 and 6,357.61

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Solution

The fourth proportional to 10,134.30, 13,985.55 and 6,357.61 is: 8,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.30 : 13,985.55 = 6,357.61 : x
  2. Step 2: Convert to fraction form
    10,134.30/13,985.55 = 6,357.61/x
  3. Step 3: Cross multiply
    10,134.30x = 13,985.55 × 6,357.61
  4. Step 4: Simplify right side
    10,134.30x = 88,914,672.54
  5. Step 5: Solve for x
    x = 88,914,672.54/10,134.30
  6. Step 6: Final answer
    x = 8,773.64

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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.