Home / 11,778.28-17,651.01-8,853.16

Finding the Fourth Proportional to 11,778.28, 17,651.01 and 8,853.16

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Solution

The fourth proportional to 11,778.28, 17,651.01 and 8,853.16 is: 13,267.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.28 : 17,651.01 = 8,853.16 : x
  2. Step 2: Convert to fraction form
    11,778.28/17,651.01 = 8,853.16/x
  3. Step 3: Cross multiply
    11,778.28x = 17,651.01 × 8,853.16
  4. Step 4: Simplify right side
    11,778.28x = 156,267,215.69
  5. Step 5: Solve for x
    x = 156,267,215.69/11,778.28
  6. Step 6: Final answer
    x = 13,267.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.