Home / 15,486.50-23,229.75-6,721.22

Finding the Fourth Proportional to 15,486.50, 23,229.75 and 6,721.22

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Solution

The fourth proportional to 15,486.50, 23,229.75 and 6,721.22 is: 10,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,486.50 : 23,229.75 = 6,721.22 : x
  2. Step 2: Convert to fraction form
    15,486.50/23,229.75 = 6,721.22/x
  3. Step 3: Cross multiply
    15,486.50x = 23,229.75 × 6,721.22
  4. Step 4: Simplify right side
    15,486.50x = 156,132,318.37
  5. Step 5: Solve for x
    x = 156,132,318.37/15,486.50
  6. Step 6: Final answer
    x = 10,081.83

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Similar ratio
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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.