Home / 9,456.20-13,049.87-5,207.70

Finding the Fourth Proportional to 9,456.20, 13,049.87 and 5,207.70

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Solution

The fourth proportional to 9,456.20, 13,049.87 and 5,207.70 is: 7,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,456.20 : 13,049.87 = 5,207.70 : x
  2. Step 2: Convert to fraction form
    9,456.20/13,049.87 = 5,207.70/x
  3. Step 3: Cross multiply
    9,456.20x = 13,049.87 × 5,207.70
  4. Step 4: Simplify right side
    9,456.20x = 67,959,808.00
  5. Step 5: Solve for x
    x = 67,959,808.00/9,456.20
  6. Step 6: Final answer
    x = 7,186.80

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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.