Home / 18,227.20-25,153.32-10,269.40

Finding the Fourth Proportional to 18,227.20, 25,153.32 and 10,269.40

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Solution

The fourth proportional to 18,227.20, 25,153.32 and 10,269.40 is: 14,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.20 : 25,153.32 = 10,269.40 : x
  2. Step 2: Convert to fraction form
    18,227.20/25,153.32 = 10,269.40/x
  3. Step 3: Cross multiply
    18,227.20x = 25,153.32 × 10,269.40
  4. Step 4: Simplify right side
    18,227.20x = 258,309,504.41
  5. Step 5: Solve for x
    x = 258,309,504.41/18,227.20
  6. Step 6: Final answer
    x = 14,171.65

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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.