Home / 9,454.20-13,047.11-5,205.70

Finding the Fourth Proportional to 9,454.20, 13,047.11 and 5,205.70

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Solution

The fourth proportional to 9,454.20, 13,047.11 and 5,205.70 is: 7,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,454.20 : 13,047.11 = 5,205.70 : x
  2. Step 2: Convert to fraction form
    9,454.20/13,047.11 = 5,205.70/x
  3. Step 3: Cross multiply
    9,454.20x = 13,047.11 × 5,205.70
  4. Step 4: Simplify right side
    9,454.20x = 67,919,350.33
  5. Step 5: Solve for x
    x = 67,919,350.33/9,454.20
  6. Step 6: Final answer
    x = 7,184.04

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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.