Home / 10,163.64-15,245.28-2,767.98

Finding the Fourth Proportional to 10,163.64, 15,245.28 and 2,767.98

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Solution

The fourth proportional to 10,163.64, 15,245.28 and 2,767.98 is: 4,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.64 : 15,245.28 = 2,767.98 : x
  2. Step 2: Convert to fraction form
    10,163.64/15,245.28 = 2,767.98/x
  3. Step 3: Cross multiply
    10,163.64x = 15,245.28 × 2,767.98
  4. Step 4: Simplify right side
    10,163.64x = 42,198,630.13
  5. Step 5: Solve for x
    x = 42,198,630.13/10,163.64
  6. Step 6: Final answer
    x = 4,151.92

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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.