Home / 12,098.97-18,152.10-3,778.65

Finding the Fourth Proportional to 12,098.97, 18,152.10 and 3,778.65

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Solution

The fourth proportional to 12,098.97, 18,152.10 and 3,778.65 is: 5,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098.97 : 18,152.10 = 3,778.65 : x
  2. Step 2: Convert to fraction form
    12,098.97/18,152.10 = 3,778.65/x
  3. Step 3: Cross multiply
    12,098.97x = 18,152.10 × 3,778.65
  4. Step 4: Simplify right side
    12,098.97x = 68,590,432.67
  5. Step 5: Solve for x
    x = 68,590,432.67/12,098.97
  6. Step 6: Final answer
    x = 5,669.11

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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.