Home / 15,489.67-23,221.44-6,717.97

Finding the Fourth Proportional to 15,489.67, 23,221.44 and 6,717.97

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Solution

The fourth proportional to 15,489.67, 23,221.44 and 6,717.97 is: 10,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,489.67 : 23,221.44 = 6,717.97 : x
  2. Step 2: Convert to fraction form
    15,489.67/23,221.44 = 6,717.97/x
  3. Step 3: Cross multiply
    15,489.67x = 23,221.44 × 6,717.97
  4. Step 4: Simplify right side
    15,489.67x = 156,000,984.65
  5. Step 5: Solve for x
    x = 156,000,984.65/15,489.67
  6. Step 6: Final answer
    x = 10,071.29

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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.