Home / 17,803.20-26,704.82-12,239.71

Finding the Fourth Proportional to 17,803.20, 26,704.82 and 12,239.71

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Solution

The fourth proportional to 17,803.20, 26,704.82 and 12,239.71 is: 18,359.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,803.20 : 26,704.82 = 12,239.71 : x
  2. Step 2: Convert to fraction form
    17,803.20/26,704.82 = 12,239.71/x
  3. Step 3: Cross multiply
    17,803.20x = 26,704.82 × 12,239.71
  4. Step 4: Simplify right side
    17,803.20x = 326,859,252.40
  5. Step 5: Solve for x
    x = 326,859,252.40/17,803.20
  6. Step 6: Final answer
    x = 18,359.58

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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.