Home / 10,134.40-15,204.08-5,977.92

Finding the Fourth Proportional to 10,134.40, 15,204.08 and 5,977.92

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Solution

The fourth proportional to 10,134.40, 15,204.08 and 5,977.92 is: 8,968.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.40 : 15,204.08 = 5,977.92 : x
  2. Step 2: Convert to fraction form
    10,134.40/15,204.08 = 5,977.92/x
  3. Step 3: Cross multiply
    10,134.40x = 15,204.08 × 5,977.92
  4. Step 4: Simplify right side
    10,134.40x = 90,888,773.91
  5. Step 5: Solve for x
    x = 90,888,773.91/10,134.40
  6. Step 6: Final answer
    x = 8,968.34

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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.