Home / 16,966.80-25,466.40-8,656.20

Finding the Fourth Proportional to 16,966.80, 25,466.40 and 8,656.20

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Solution

The fourth proportional to 16,966.80, 25,466.40 and 8,656.20 is: 12,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,966.80 : 25,466.40 = 8,656.20 : x
  2. Step 2: Convert to fraction form
    16,966.80/25,466.40 = 8,656.20/x
  3. Step 3: Cross multiply
    16,966.80x = 25,466.40 × 8,656.20
  4. Step 4: Simplify right side
    16,966.80x = 220,442,251.68
  5. Step 5: Solve for x
    x = 220,442,251.68/16,966.80
  6. Step 6: Final answer
    x = 12,992.56

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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.