Home / 20,251.11-30,350.16-10,880.18

Finding the Fourth Proportional to 20,251.11, 30,350.16 and 10,880.18

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Solution

The fourth proportional to 20,251.11, 30,350.16 and 10,880.18 is: 16,306.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.11 : 30,350.16 = 10,880.18 : x
  2. Step 2: Convert to fraction form
    20,251.11/30,350.16 = 10,880.18/x
  3. Step 3: Cross multiply
    20,251.11x = 30,350.16 × 10,880.18
  4. Step 4: Simplify right side
    20,251.11x = 330,215,052.08
  5. Step 5: Solve for x
    x = 330,215,052.08/20,251.11
  6. Step 6: Final answer
    x = 16,306.02

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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.