Home / 15,180.70-20,949.27-8,466.41

Finding the Fourth Proportional to 15,180.70, 20,949.27 and 8,466.41

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Solution

The fourth proportional to 15,180.70, 20,949.27 and 8,466.41 is: 11,683.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.70 : 20,949.27 = 8,466.41 : x
  2. Step 2: Convert to fraction form
    15,180.70/20,949.27 = 8,466.41/x
  3. Step 3: Cross multiply
    15,180.70x = 20,949.27 × 8,466.41
  4. Step 4: Simplify right side
    15,180.70x = 177,365,109.02
  5. Step 5: Solve for x
    x = 177,365,109.02/15,180.70
  6. Step 6: Final answer
    x = 11,683.59

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1.5x scale

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.