Home / 17,818.20-26,727.30-4,671.90

Finding the Fourth Proportional to 17,818.20, 26,727.30 and 4,671.90

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Solution

The fourth proportional to 17,818.20, 26,727.30 and 4,671.90 is: 7,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,818.20 : 26,727.30 = 4,671.90 : x
  2. Step 2: Convert to fraction form
    17,818.20/26,727.30 = 4,671.90/x
  3. Step 3: Cross multiply
    17,818.20x = 26,727.30 × 4,671.90
  4. Step 4: Simplify right side
    17,818.20x = 124,867,272.87
  5. Step 5: Solve for x
    x = 124,867,272.87/17,818.20
  6. Step 6: Final answer
    x = 7,007.85

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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.