Home / 15,177.42-22,745.48-8,940.30

Finding the Fourth Proportional to 15,177.42, 22,745.48 and 8,940.30

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Solution

The fourth proportional to 15,177.42, 22,745.48 and 8,940.30 is: 13,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.42 : 22,745.48 = 8,940.30 : x
  2. Step 2: Convert to fraction form
    15,177.42/22,745.48 = 8,940.30/x
  3. Step 3: Cross multiply
    15,177.42x = 22,745.48 × 8,940.30
  4. Step 4: Simplify right side
    15,177.42x = 203,351,414.84
  5. Step 5: Solve for x
    x = 203,351,414.84/15,177.42
  6. Step 6: Final answer
    x = 13,398.29

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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.