Home / 12,454.08-18,681.44-4,251.84

Finding the Fourth Proportional to 12,454.08, 18,681.44 and 4,251.84

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Solution

The fourth proportional to 12,454.08, 18,681.44 and 4,251.84 is: 6,377.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454.08 : 18,681.44 = 4,251.84 : x
  2. Step 2: Convert to fraction form
    12,454.08/18,681.44 = 4,251.84/x
  3. Step 3: Cross multiply
    12,454.08x = 18,681.44 × 4,251.84
  4. Step 4: Simplify right side
    12,454.08x = 79,430,493.85
  5. Step 5: Solve for x
    x = 79,430,493.85/12,454.08
  6. Step 6: Final answer
    x = 6,377.87

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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.