Home / 17,934.90-26,890.20-9,162.60

Finding the Fourth Proportional to 17,934.90, 26,890.20 and 9,162.60

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Solution

The fourth proportional to 17,934.90, 26,890.20 and 9,162.60 is: 13,737.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,934.90 : 26,890.20 = 9,162.60 : x
  2. Step 2: Convert to fraction form
    17,934.90/26,890.20 = 9,162.60/x
  3. Step 3: Cross multiply
    17,934.90x = 26,890.20 × 9,162.60
  4. Step 4: Simplify right side
    17,934.90x = 246,384,146.52
  5. Step 5: Solve for x
    x = 246,384,146.52/17,934.90
  6. Step 6: Final answer
    x = 13,737.69

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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.