Home / 15,179.10-22,769.10-4,085.79

Finding the Fourth Proportional to 15,179.10, 22,769.10 and 4,085.79

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Solution

The fourth proportional to 15,179.10, 22,769.10 and 4,085.79 is: 6,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,179.10 : 22,769.10 = 4,085.79 : x
  2. Step 2: Convert to fraction form
    15,179.10/22,769.10 = 4,085.79/x
  3. Step 3: Cross multiply
    15,179.10x = 22,769.10 × 4,085.79
  4. Step 4: Simplify right side
    15,179.10x = 93,029,761.09
  5. Step 5: Solve for x
    x = 93,029,761.09/15,179.10
  6. Step 6: Final answer
    x = 6,128.81

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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.