Home / 12,249.30-18,370.92-5,225.88

Finding the Fourth Proportional to 12,249.30, 18,370.92 and 5,225.88

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Solution

The fourth proportional to 12,249.30, 18,370.92 and 5,225.88 is: 7,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,249.30 : 18,370.92 = 5,225.88 : x
  2. Step 2: Convert to fraction form
    12,249.30/18,370.92 = 5,225.88/x
  3. Step 3: Cross multiply
    12,249.30x = 18,370.92 × 5,225.88
  4. Step 4: Simplify right side
    12,249.30x = 96,004,223.41
  5. Step 5: Solve for x
    x = 96,004,223.41/12,249.30
  6. Step 6: Final answer
    x = 7,837.53

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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.