Home / 12,236.18-18,351.50-5,658.75

Finding the Fourth Proportional to 12,236.18, 18,351.50 and 5,658.75

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Solution

The fourth proportional to 12,236.18, 18,351.50 and 5,658.75 is: 8,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,236.18 : 18,351.50 = 5,658.75 : x
  2. Step 2: Convert to fraction form
    12,236.18/18,351.50 = 5,658.75/x
  3. Step 3: Cross multiply
    12,236.18x = 18,351.50 × 5,658.75
  4. Step 4: Simplify right side
    12,236.18x = 103,846,522.33
  5. Step 5: Solve for x
    x = 103,846,522.33/12,236.18
  6. Step 6: Final answer
    x = 8,486.85

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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.