Home / 12,517.04-18,767.64-10,660.88

Finding the Fourth Proportional to 12,517.04, 18,767.64 and 10,660.88

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Solution

The fourth proportional to 12,517.04, 18,767.64 and 10,660.88 is: 15,984.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.04 : 18,767.64 = 10,660.88 : x
  2. Step 2: Convert to fraction form
    12,517.04/18,767.64 = 10,660.88/x
  3. Step 3: Cross multiply
    12,517.04x = 18,767.64 × 10,660.88
  4. Step 4: Simplify right side
    12,517.04x = 200,079,557.92
  5. Step 5: Solve for x
    x = 200,079,557.92/12,517.04
  6. Step 6: Final answer
    x = 15,984.57

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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.