Home / 12,246.88-18,341.04-6,691.92

Finding the Fourth Proportional to 12,246.88, 18,341.04 and 6,691.92

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Solution

The fourth proportional to 12,246.88, 18,341.04 and 6,691.92 is: 10,021.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.88 : 18,341.04 = 6,691.92 : x
  2. Step 2: Convert to fraction form
    12,246.88/18,341.04 = 6,691.92/x
  3. Step 3: Cross multiply
    12,246.88x = 18,341.04 × 6,691.92
  4. Step 4: Simplify right side
    12,246.88x = 122,736,772.40
  5. Step 5: Solve for x
    x = 122,736,772.40/12,246.88
  6. Step 6: Final answer
    x = 10,021.88

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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.