Home / 11,801.22-16,279.56-9,565.62

Finding the Fourth Proportional to 11,801.22, 16,279.56 and 9,565.62

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Solution

The fourth proportional to 11,801.22, 16,279.56 and 9,565.62 is: 13,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801.22 : 16,279.56 = 9,565.62 : x
  2. Step 2: Convert to fraction form
    11,801.22/16,279.56 = 9,565.62/x
  3. Step 3: Cross multiply
    11,801.22x = 16,279.56 × 9,565.62
  4. Step 4: Simplify right side
    11,801.22x = 155,724,084.73
  5. Step 5: Solve for x
    x = 155,724,084.73/11,801.22
  6. Step 6: Final answer
    x = 13,195.59

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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.