Home / 13,474.38-20,211.57-8,798.25

Finding the Fourth Proportional to 13,474.38, 20,211.57 and 8,798.25

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Solution

The fourth proportional to 13,474.38, 20,211.57 and 8,798.25 is: 13,197.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.38 : 20,211.57 = 8,798.25 : x
  2. Step 2: Convert to fraction form
    13,474.38/20,211.57 = 8,798.25/x
  3. Step 3: Cross multiply
    13,474.38x = 20,211.57 × 8,798.25
  4. Step 4: Simplify right side
    13,474.38x = 177,826,445.75
  5. Step 5: Solve for x
    x = 177,826,445.75/13,474.38
  6. Step 6: Final answer
    x = 13,197.38

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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.