Home / 12,523.94-18,773.61-5,118.21

Finding the Fourth Proportional to 12,523.94, 18,773.61 and 5,118.21

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Solution

The fourth proportional to 12,523.94, 18,773.61 and 5,118.21 is: 7,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.94 : 18,773.61 = 5,118.21 : x
  2. Step 2: Convert to fraction form
    12,523.94/18,773.61 = 5,118.21/x
  3. Step 3: Cross multiply
    12,523.94x = 18,773.61 × 5,118.21
  4. Step 4: Simplify right side
    12,523.94x = 96,087,278.44
  5. Step 5: Solve for x
    x = 96,087,278.44/12,523.94
  6. Step 6: Final answer
    x = 7,672.29

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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.