Home / 10,163.56-15,251.85-5,486.83

Finding the Fourth Proportional to 10,163.56, 15,251.85 and 5,486.83

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Solution

The fourth proportional to 10,163.56, 15,251.85 and 5,486.83 is: 8,233.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.56 : 15,251.85 = 5,486.83 : x
  2. Step 2: Convert to fraction form
    10,163.56/15,251.85 = 5,486.83/x
  3. Step 3: Cross multiply
    10,163.56x = 15,251.85 × 5,486.83
  4. Step 4: Simplify right side
    10,163.56x = 83,684,204.44
  5. Step 5: Solve for x
    x = 83,684,204.44/10,163.56
  6. Step 6: Final answer
    x = 8,233.75

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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.