Home / 10,163.05-15,247.06-3,499.65

Finding the Fourth Proportional to 10,163.05, 15,247.06 and 3,499.65

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Solution

The fourth proportional to 10,163.05, 15,247.06 and 3,499.65 is: 5,250.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.05 : 15,247.06 = 3,499.65 : x
  2. Step 2: Convert to fraction form
    10,163.05/15,247.06 = 3,499.65/x
  3. Step 3: Cross multiply
    10,163.05x = 15,247.06 × 3,499.65
  4. Step 4: Simplify right side
    10,163.05x = 53,359,364.78
  5. Step 5: Solve for x
    x = 53,359,364.78/10,163.05
  6. Step 6: Final answer
    x = 5,250.33

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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.