Home / 12,884.12-17,815.88-10,226.92

Finding the Fourth Proportional to 12,884.12, 17,815.88 and 10,226.92

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Solution

The fourth proportional to 12,884.12, 17,815.88 and 10,226.92 is: 14,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.12 : 17,815.88 = 10,226.92 : x
  2. Step 2: Convert to fraction form
    12,884.12/17,815.88 = 10,226.92/x
  3. Step 3: Cross multiply
    12,884.12x = 17,815.88 × 10,226.92
  4. Step 4: Simplify right side
    12,884.12x = 182,201,439.28
  5. Step 5: Solve for x
    x = 182,201,439.28/12,884.12
  6. Step 6: Final answer
    x = 14,141.55

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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.