Home / 18,244.85-25,177.88-9,861.35

Finding the Fourth Proportional to 18,244.85, 25,177.88 and 9,861.35

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Solution

The fourth proportional to 18,244.85, 25,177.88 and 9,861.35 is: 13,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.85 : 25,177.88 = 9,861.35 : x
  2. Step 2: Convert to fraction form
    18,244.85/25,177.88 = 9,861.35/x
  3. Step 3: Cross multiply
    18,244.85x = 25,177.88 × 9,861.35
  4. Step 4: Simplify right side
    18,244.85x = 248,287,974.54
  5. Step 5: Solve for x
    x = 248,287,974.54/18,244.85
  6. Step 6: Final answer
    x = 13,608.66

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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.