Home / 18,244.67-25,177.65-10,286.90

Finding the Fourth Proportional to 18,244.67, 25,177.65 and 10,286.90

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Solution

The fourth proportional to 18,244.67, 25,177.65 and 10,286.90 is: 14,195.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244.67 : 25,177.65 = 10,286.90 : x
  2. Step 2: Convert to fraction form
    18,244.67/25,177.65 = 10,286.90/x
  3. Step 3: Cross multiply
    18,244.67x = 25,177.65 × 10,286.90
  4. Step 4: Simplify right side
    18,244.67x = 258,999,955.60
  5. Step 5: Solve for x
    x = 258,999,955.60/18,244.67
  6. Step 6: Final answer
    x = 14,195.92

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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.