Home / 10,268.91-15,405.27-3,250.70

Finding the Fourth Proportional to 10,268.91, 15,405.27 and 3,250.70

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Solution

The fourth proportional to 10,268.91, 15,405.27 and 3,250.70 is: 4,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,268.91 : 15,405.27 = 3,250.70 : x
  2. Step 2: Convert to fraction form
    10,268.91/15,405.27 = 3,250.70/x
  3. Step 3: Cross multiply
    10,268.91x = 15,405.27 × 3,250.70
  4. Step 4: Simplify right side
    10,268.91x = 50,077,834.16
  5. Step 5: Solve for x
    x = 50,077,834.16/10,268.91
  6. Step 6: Final answer
    x = 4,876.65

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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.