Home / 25,934.80-38,908.36-11,143.86

Finding the Fourth Proportional to 25,934.80, 38,908.36 and 11,143.86

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Solution

The fourth proportional to 25,934.80, 38,908.36 and 11,143.86 is: 16,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,934.80 : 38,908.36 = 11,143.86 : x
  2. Step 2: Convert to fraction form
    25,934.80/38,908.36 = 11,143.86/x
  3. Step 3: Cross multiply
    25,934.80x = 38,908.36 × 11,143.86
  4. Step 4: Simplify right side
    25,934.80x = 433,589,316.67
  5. Step 5: Solve for x
    x = 433,589,316.67/25,934.80
  6. Step 6: Final answer
    x = 16,718.44

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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.