Home / 10,178.62-15,263.80-4,251.60

Finding the Fourth Proportional to 10,178.62, 15,263.80 and 4,251.60

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Solution

The fourth proportional to 10,178.62, 15,263.80 and 4,251.60 is: 6,375.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178.62 : 15,263.80 = 4,251.60 : x
  2. Step 2: Convert to fraction form
    10,178.62/15,263.80 = 4,251.60/x
  3. Step 3: Cross multiply
    10,178.62x = 15,263.80 × 4,251.60
  4. Step 4: Simplify right side
    10,178.62x = 64,895,561.45
  5. Step 5: Solve for x
    x = 64,895,561.45/10,178.62
  6. Step 6: Final answer
    x = 6,375.68

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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.