Home / 10,963.12-15,129.10-5,927.34

Finding the Fourth Proportional to 10,963.12, 15,129.10 and 5,927.34

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Solution

The fourth proportional to 10,963.12, 15,129.10 and 5,927.34 is: 8,179.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.12 : 15,129.10 = 5,927.34 : x
  2. Step 2: Convert to fraction form
    10,963.12/15,129.10 = 5,927.34/x
  3. Step 3: Cross multiply
    10,963.12x = 15,129.10 × 5,927.34
  4. Step 4: Simplify right side
    10,963.12x = 89,675,231.08
  5. Step 5: Solve for x
    x = 89,675,231.08/10,963.12
  6. Step 6: Final answer
    x = 8,179.72

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