Home / 10,178.03-15,269.22-3,157.89

Finding the Fourth Proportional to 10,178.03, 15,269.22 and 3,157.89

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Solution

The fourth proportional to 10,178.03, 15,269.22 and 3,157.89 is: 4,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.03 : 15,269.22 = 3,157.89 : x
  2. Step 2: Convert to fraction form
    10,178.03/15,269.22 = 3,157.89/x
  3. Step 3: Cross multiply
    10,178.03x = 15,269.22 × 3,157.89
  4. Step 4: Simplify right side
    10,178.03x = 48,218,471.08
  5. Step 5: Solve for x
    x = 48,218,471.08/10,178.03
  6. Step 6: Final answer
    x = 4,737.51

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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.