Home / 10,651.12-15,977.84-4,082.88

Finding the Fourth Proportional to 10,651.12, 15,977.84 and 4,082.88

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Solution

The fourth proportional to 10,651.12, 15,977.84 and 4,082.88 is: 6,124.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.12 : 15,977.84 = 4,082.88 : x
  2. Step 2: Convert to fraction form
    10,651.12/15,977.84 = 4,082.88/x
  3. Step 3: Cross multiply
    10,651.12x = 15,977.84 × 4,082.88
  4. Step 4: Simplify right side
    10,651.12x = 65,235,603.38
  5. Step 5: Solve for x
    x = 65,235,603.38/10,651.12
  6. Step 6: Final answer
    x = 6,124.76

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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.