Home / 10,340.45-15,505.30-5,073.15

Finding the Fourth Proportional to 10,340.45, 15,505.30 and 5,073.15

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Solution

The fourth proportional to 10,340.45, 15,505.30 and 5,073.15 is: 7,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.45 : 15,505.30 = 5,073.15 : x
  2. Step 2: Convert to fraction form
    10,340.45/15,505.30 = 5,073.15/x
  3. Step 3: Cross multiply
    10,340.45x = 15,505.30 × 5,073.15
  4. Step 4: Simplify right side
    10,340.45x = 78,660,719.04
  5. Step 5: Solve for x
    x = 78,660,719.04/10,340.45
  6. Step 6: Final answer
    x = 7,607.09

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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.