Home / 10,932.53-15,084.29-6,219.41

Finding the Fourth Proportional to 10,932.53, 15,084.29 and 6,219.41

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Solution

The fourth proportional to 10,932.53, 15,084.29 and 6,219.41 is: 8,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.53 : 15,084.29 = 6,219.41 : x
  2. Step 2: Convert to fraction form
    10,932.53/15,084.29 = 6,219.41/x
  3. Step 3: Cross multiply
    10,932.53x = 15,084.29 × 6,219.41
  4. Step 4: Simplify right side
    10,932.53x = 93,815,324.20
  5. Step 5: Solve for x
    x = 93,815,324.20/10,932.53
  6. Step 6: Final answer
    x = 8,581.30

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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.