Home / 12,760.42-19,146.11-4,435.90

Finding the Fourth Proportional to 12,760.42, 19,146.11 and 4,435.90

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Solution

The fourth proportional to 12,760.42, 19,146.11 and 4,435.90 is: 6,655.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.42 : 19,146.11 = 4,435.90 : x
  2. Step 2: Convert to fraction form
    12,760.42/19,146.11 = 4,435.90/x
  3. Step 3: Cross multiply
    12,760.42x = 19,146.11 × 4,435.90
  4. Step 4: Simplify right side
    12,760.42x = 84,930,229.35
  5. Step 5: Solve for x
    x = 84,930,229.35/12,760.42
  6. Step 6: Final answer
    x = 6,655.76

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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.