Home / 9,151.50-13,719.11-3,306.81

Finding the Fourth Proportional to 9,151.50, 13,719.11 and 3,306.81

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Solution

The fourth proportional to 9,151.50, 13,719.11 and 3,306.81 is: 4,957.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151.50 : 13,719.11 = 3,306.81 : x
  2. Step 2: Convert to fraction form
    9,151.50/13,719.11 = 3,306.81/x
  3. Step 3: Cross multiply
    9,151.50x = 13,719.11 × 3,306.81
  4. Step 4: Simplify right side
    9,151.50x = 45,366,473.61
  5. Step 5: Solve for x
    x = 45,366,473.61/9,151.50
  6. Step 6: Final answer
    x = 4,957.27

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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.