Home / 15,177.62-22,768.86-6,412.61

Finding the Fourth Proportional to 15,177.62, 22,768.86 and 6,412.61

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Solution

The fourth proportional to 15,177.62, 22,768.86 and 6,412.61 is: 9,619.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.62 : 22,768.86 = 6,412.61 : x
  2. Step 2: Convert to fraction form
    15,177.62/22,768.86 = 6,412.61/x
  3. Step 3: Cross multiply
    15,177.62x = 22,768.86 × 6,412.61
  4. Step 4: Simplify right side
    15,177.62x = 146,007,819.32
  5. Step 5: Solve for x
    x = 146,007,819.32/15,177.62
  6. Step 6: Final answer
    x = 9,619.94

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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.