Home / 18,827.57-28,221.64-6,343.27

Finding the Fourth Proportional to 18,827.57, 28,221.64 and 6,343.27

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Solution

The fourth proportional to 18,827.57, 28,221.64 and 6,343.27 is: 9,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,827.57 : 28,221.64 = 6,343.27 : x
  2. Step 2: Convert to fraction form
    18,827.57/28,221.64 = 6,343.27/x
  3. Step 3: Cross multiply
    18,827.57x = 28,221.64 × 6,343.27
  4. Step 4: Simplify right side
    18,827.57x = 179,017,617.73
  5. Step 5: Solve for x
    x = 179,017,617.73/18,827.57
  6. Step 6: Final answer
    x = 9,508.27

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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.