Home / 10,911.13-15,057.16-6,195.31

Finding the Fourth Proportional to 10,911.13, 15,057.16 and 6,195.31

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Solution

The fourth proportional to 10,911.13, 15,057.16 and 6,195.31 is: 8,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.13 : 15,057.16 = 6,195.31 : x
  2. Step 2: Convert to fraction form
    10,911.13/15,057.16 = 6,195.31/x
  3. Step 3: Cross multiply
    10,911.13x = 15,057.16 × 6,195.31
  4. Step 4: Simplify right side
    10,911.13x = 93,283,773.92
  5. Step 5: Solve for x
    x = 93,283,773.92/10,911.13
  6. Step 6: Final answer
    x = 8,549.41

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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.