Home / 15,491.12-23,223.62-6,719.43

Finding the Fourth Proportional to 15,491.12, 23,223.62 and 6,719.43

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Solution

The fourth proportional to 15,491.12, 23,223.62 and 6,719.43 is: 10,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.12 : 23,223.62 = 6,719.43 : x
  2. Step 2: Convert to fraction form
    15,491.12/23,223.62 = 6,719.43/x
  3. Step 3: Cross multiply
    15,491.12x = 23,223.62 × 6,719.43
  4. Step 4: Simplify right side
    15,491.12x = 156,049,488.94
  5. Step 5: Solve for x
    x = 156,049,488.94/15,491.12
  6. Step 6: Final answer
    x = 10,073.48

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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.