Home / 11,082.64-15,308.63-8,217.18

Finding the Fourth Proportional to 11,082.64, 15,308.63 and 8,217.18

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Solution

The fourth proportional to 11,082.64, 15,308.63 and 8,217.18 is: 11,350.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.64 : 15,308.63 = 8,217.18 : x
  2. Step 2: Convert to fraction form
    11,082.64/15,308.63 = 8,217.18/x
  3. Step 3: Cross multiply
    11,082.64x = 15,308.63 × 8,217.18
  4. Step 4: Simplify right side
    11,082.64x = 125,793,768.26
  5. Step 5: Solve for x
    x = 125,793,768.26/11,082.64
  6. Step 6: Final answer
    x = 11,350.52

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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.