Home / 20,028.74-30,046.35-8,343.14

Finding the Fourth Proportional to 20,028.74, 30,046.35 and 8,343.14

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Solution

The fourth proportional to 20,028.74, 30,046.35 and 8,343.14 is: 12,516.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.74 : 30,046.35 = 8,343.14 : x
  2. Step 2: Convert to fraction form
    20,028.74/30,046.35 = 8,343.14/x
  3. Step 3: Cross multiply
    20,028.74x = 30,046.35 × 8,343.14
  4. Step 4: Simplify right side
    20,028.74x = 250,680,904.54
  5. Step 5: Solve for x
    x = 250,680,904.54/20,028.74
  6. Step 6: Final answer
    x = 12,516.06

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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.