Home / 15,001.29-20,702.19-8,195.73

Finding the Fourth Proportional to 15,001.29, 20,702.19 and 8,195.73

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Solution

The fourth proportional to 15,001.29, 20,702.19 and 8,195.73 is: 11,310.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.29 : 20,702.19 = 8,195.73 : x
  2. Step 2: Convert to fraction form
    15,001.29/20,702.19 = 8,195.73/x
  3. Step 3: Cross multiply
    15,001.29x = 20,702.19 × 8,195.73
  4. Step 4: Simplify right side
    15,001.29x = 169,669,559.65
  5. Step 5: Solve for x
    x = 169,669,559.65/15,001.29
  6. Step 6: Final answer
    x = 11,310.33

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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.