Home / 18,778.30-28,176.22-8,246.94

Finding the Fourth Proportional to 18,778.30, 28,176.22 and 8,246.94

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Solution

The fourth proportional to 18,778.30, 28,176.22 and 8,246.94 is: 12,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778.30 : 28,176.22 = 8,246.94 : x
  2. Step 2: Convert to fraction form
    18,778.30/28,176.22 = 8,246.94/x
  3. Step 3: Cross multiply
    18,778.30x = 28,176.22 × 8,246.94
  4. Step 4: Simplify right side
    18,778.30x = 232,367,595.77
  5. Step 5: Solve for x
    x = 232,367,595.77/18,778.30
  6. Step 6: Final answer
    x = 12,374.26

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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.