Home / 15,184.48-20,954.60-8,470.54

Finding the Fourth Proportional to 15,184.48, 20,954.60 and 8,470.54

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Solution

The fourth proportional to 15,184.48, 20,954.60 and 8,470.54 is: 11,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,184.48 : 20,954.60 = 8,470.54 : x
  2. Step 2: Convert to fraction form
    15,184.48/20,954.60 = 8,470.54/x
  3. Step 3: Cross multiply
    15,184.48x = 20,954.60 × 8,470.54
  4. Step 4: Simplify right side
    15,184.48x = 177,496,777.48
  5. Step 5: Solve for x
    x = 177,496,777.48/15,184.48
  6. Step 6: Final answer
    x = 11,689.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.