Home / 8,876.28-13,246.92-7,892.16

Finding the Fourth Proportional to 8,876.28, 13,246.92 and 7,892.16

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Solution

The fourth proportional to 8,876.28, 13,246.92 and 7,892.16 is: 11,778.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.28 : 13,246.92 = 7,892.16 : x
  2. Step 2: Convert to fraction form
    8,876.28/13,246.92 = 7,892.16/x
  3. Step 3: Cross multiply
    8,876.28x = 13,246.92 × 7,892.16
  4. Step 4: Simplify right side
    8,876.28x = 104,546,812.15
  5. Step 5: Solve for x
    x = 104,546,812.15/8,876.28
  6. Step 6: Final answer
    x = 11,778.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.