Home / 14,719.38-20,306.75-8,344.62

Finding the Fourth Proportional to 14,719.38, 20,306.75 and 8,344.62

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Solution

The fourth proportional to 14,719.38, 20,306.75 and 8,344.62 is: 11,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.38 : 20,306.75 = 8,344.62 : x
  2. Step 2: Convert to fraction form
    14,719.38/20,306.75 = 8,344.62/x
  3. Step 3: Cross multiply
    14,719.38x = 20,306.75 × 8,344.62
  4. Step 4: Simplify right side
    14,719.38x = 169,452,133.05
  5. Step 5: Solve for x
    x = 169,452,133.05/14,719.38
  6. Step 6: Final answer
    x = 11,512.18

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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.