Home / 10,251.30-15,379.20-4,011.30

Finding the Fourth Proportional to 10,251.30, 15,379.20 and 4,011.30

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Solution

The fourth proportional to 10,251.30, 15,379.20 and 4,011.30 is: 6,017.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,251.30 : 15,379.20 = 4,011.30 : x
  2. Step 2: Convert to fraction form
    10,251.30/15,379.20 = 4,011.30/x
  3. Step 3: Cross multiply
    10,251.30x = 15,379.20 × 4,011.30
  4. Step 4: Simplify right side
    10,251.30x = 61,690,584.96
  5. Step 5: Solve for x
    x = 61,690,584.96/10,251.30
  6. Step 6: Final answer
    x = 6,017.83

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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.