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Finding the Fourth Proportional to 22,873.80, 34,323.39 and 11,187.12

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Solution

The fourth proportional to 22,873.80, 34,323.39 and 11,187.12 is: 16,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,873.80 : 34,323.39 = 11,187.12 : x
  2. Step 2: Convert to fraction form
    22,873.80/34,323.39 = 11,187.12/x
  3. Step 3: Cross multiply
    22,873.80x = 34,323.39 × 11,187.12
  4. Step 4: Simplify right side
    22,873.80x = 383,979,882.74
  5. Step 5: Solve for x
    x = 383,979,882.74/22,873.80
  6. Step 6: Final answer
    x = 16,786.89

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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.