Home / 12,246.30-18,370.80-3,924.90

Finding the Fourth Proportional to 12,246.30, 18,370.80 and 3,924.90

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Solution

The fourth proportional to 12,246.30, 18,370.80 and 3,924.90 is: 5,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.30 : 18,370.80 = 3,924.90 : x
  2. Step 2: Convert to fraction form
    12,246.30/18,370.80 = 3,924.90/x
  3. Step 3: Cross multiply
    12,246.30x = 18,370.80 × 3,924.90
  4. Step 4: Simplify right side
    12,246.30x = 72,103,552.92
  5. Step 5: Solve for x
    x = 72,103,552.92/12,246.30
  6. Step 6: Final answer
    x = 5,887.78

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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.