Home / 9,763.20-13,459.68-6,613.92

Finding the Fourth Proportional to 9,763.20, 13,459.68 and 6,613.92

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Solution

The fourth proportional to 9,763.20, 13,459.68 and 6,613.92 is: 9,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,763.20 : 13,459.68 = 6,613.92 : x
  2. Step 2: Convert to fraction form
    9,763.20/13,459.68 = 6,613.92/x
  3. Step 3: Cross multiply
    9,763.20x = 13,459.68 × 6,613.92
  4. Step 4: Simplify right side
    9,763.20x = 89,021,246.75
  5. Step 5: Solve for x
    x = 89,021,246.75/9,763.20
  6. Step 6: Final answer
    x = 9,118.04

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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.