Home / 10,065.20-15,082.40-6,766.07

Finding the Fourth Proportional to 10,065.20, 15,082.40 and 6,766.07

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Solution

The fourth proportional to 10,065.20, 15,082.40 and 6,766.07 is: 10,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.20 : 15,082.40 = 6,766.07 : x
  2. Step 2: Convert to fraction form
    10,065.20/15,082.40 = 6,766.07/x
  3. Step 3: Cross multiply
    10,065.20x = 15,082.40 × 6,766.07
  4. Step 4: Simplify right side
    10,065.20x = 102,048,515.67
  5. Step 5: Solve for x
    x = 102,048,515.67/10,065.20
  6. Step 6: Final answer
    x = 10,138.75

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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.