Home / 9,660.13-13,331.11-5,626.85

Finding the Fourth Proportional to 9,660.13, 13,331.11 and 5,626.85

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Solution

The fourth proportional to 9,660.13, 13,331.11 and 5,626.85 is: 7,765.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.13 : 13,331.11 = 5,626.85 : x
  2. Step 2: Convert to fraction form
    9,660.13/13,331.11 = 5,626.85/x
  3. Step 3: Cross multiply
    9,660.13x = 13,331.11 × 5,626.85
  4. Step 4: Simplify right side
    9,660.13x = 75,012,092.24
  5. Step 5: Solve for x
    x = 75,012,092.24/9,660.13
  6. Step 6: Final answer
    x = 7,765.13

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1.5x scale

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.