Home / 15,659.39-23,489.19-3,972.65

Finding the Fourth Proportional to 15,659.39, 23,489.19 and 3,972.65

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Solution

The fourth proportional to 15,659.39, 23,489.19 and 3,972.65 is: 5,958.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,659.39 : 23,489.19 = 3,972.65 : x
  2. Step 2: Convert to fraction form
    15,659.39/23,489.19 = 3,972.65/x
  3. Step 3: Cross multiply
    15,659.39x = 23,489.19 × 3,972.65
  4. Step 4: Simplify right side
    15,659.39x = 93,314,213.21
  5. Step 5: Solve for x
    x = 93,314,213.21/15,659.39
  6. Step 6: Final answer
    x = 5,958.99

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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.