Home / 15,270.78-22,906.19-4,176.65

Finding the Fourth Proportional to 15,270.78, 22,906.19 and 4,176.65

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Solution

The fourth proportional to 15,270.78, 22,906.19 and 4,176.65 is: 6,264.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.78 : 22,906.19 = 4,176.65 : x
  2. Step 2: Convert to fraction form
    15,270.78/22,906.19 = 4,176.65/x
  3. Step 3: Cross multiply
    15,270.78x = 22,906.19 × 4,176.65
  4. Step 4: Simplify right side
    15,270.78x = 95,671,003.05
  5. Step 5: Solve for x
    x = 95,671,003.05/15,270.78
  6. Step 6: Final answer
    x = 6,264.97

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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.