Home / 12,449.28-18,535.71-12,274.93

Finding the Fourth Proportional to 12,449.28, 18,535.71 and 12,274.93

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Solution

The fourth proportional to 12,449.28, 18,535.71 and 12,274.93 is: 18,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449.28 : 18,535.71 = 12,274.93 : x
  2. Step 2: Convert to fraction form
    12,449.28/18,535.71 = 12,274.93/x
  3. Step 3: Cross multiply
    12,449.28x = 18,535.71 × 12,274.93
  4. Step 4: Simplify right side
    12,449.28x = 227,524,542.75
  5. Step 5: Solve for x
    x = 227,524,542.75/12,449.28
  6. Step 6: Final answer
    x = 18,276.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.