Home / 12,340.26-18,494.28-10,776.56

Finding the Fourth Proportional to 12,340.26, 18,494.28 and 10,776.56

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Solution

The fourth proportional to 12,340.26, 18,494.28 and 10,776.56 is: 16,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.26 : 18,494.28 = 10,776.56 : x
  2. Step 2: Convert to fraction form
    12,340.26/18,494.28 = 10,776.56/x
  3. Step 3: Cross multiply
    12,340.26x = 18,494.28 × 10,776.56
  4. Step 4: Simplify right side
    12,340.26x = 199,304,625.61
  5. Step 5: Solve for x
    x = 199,304,625.61/12,340.26
  6. Step 6: Final answer
    x = 16,150.76

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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.