Home / 20,251.11-30,376.59-5,461.53

Finding the Fourth Proportional to 20,251.11, 30,376.59 and 5,461.53

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Solution

The fourth proportional to 20,251.11, 30,376.59 and 5,461.53 is: 8,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.11 : 30,376.59 = 5,461.53 : x
  2. Step 2: Convert to fraction form
    20,251.11/30,376.59 = 5,461.53/x
  3. Step 3: Cross multiply
    20,251.11x = 30,376.59 × 5,461.53
  4. Step 4: Simplify right side
    20,251.11x = 165,902,523.19
  5. Step 5: Solve for x
    x = 165,902,523.19/20,251.11
  6. Step 6: Final answer
    x = 8,192.27

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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.