Home / 14,719.80-20,306.18-8,747.24

Finding the Fourth Proportional to 14,719.80, 20,306.18 and 8,747.24

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Solution

The fourth proportional to 14,719.80, 20,306.18 and 8,747.24 is: 12,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719.80 : 20,306.18 = 8,747.24 : x
  2. Step 2: Convert to fraction form
    14,719.80/20,306.18 = 8,747.24/x
  3. Step 3: Cross multiply
    14,719.80x = 20,306.18 × 8,747.24
  4. Step 4: Simplify right side
    14,719.80x = 177,623,029.94
  5. Step 5: Solve for x
    x = 177,623,029.94/14,719.80
  6. Step 6: Final answer
    x = 12,066.95

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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.