Home / 12,229.28-16,876.61-6,851.66

Finding the Fourth Proportional to 12,229.28, 16,876.61 and 6,851.66

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Solution

The fourth proportional to 12,229.28, 16,876.61 and 6,851.66 is: 9,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.28 : 16,876.61 = 6,851.66 : x
  2. Step 2: Convert to fraction form
    12,229.28/16,876.61 = 6,851.66/x
  3. Step 3: Cross multiply
    12,229.28x = 16,876.61 × 6,851.66
  4. Step 4: Simplify right side
    12,229.28x = 115,632,675.03
  5. Step 5: Solve for x
    x = 115,632,675.03/12,229.28
  6. Step 6: Final answer
    x = 9,455.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.