Home / 18,229.10-25,155.68-10,270.85

Finding the Fourth Proportional to 18,229.10, 25,155.68 and 10,270.85

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Solution

The fourth proportional to 18,229.10, 25,155.68 and 10,270.85 is: 14,173.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.10 : 25,155.68 = 10,270.85 : x
  2. Step 2: Convert to fraction form
    18,229.10/25,155.68 = 10,270.85/x
  3. Step 3: Cross multiply
    18,229.10x = 25,155.68 × 10,270.85
  4. Step 4: Simplify right side
    18,229.10x = 258,370,038.80
  5. Step 5: Solve for x
    x = 258,370,038.80/18,229.10
  6. Step 6: Final answer
    x = 14,173.50

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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.