Home / 18,229.59-25,154.10-10,271.65

Finding the Fourth Proportional to 18,229.59, 25,154.10 and 10,271.65

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Solution

The fourth proportional to 18,229.59, 25,154.10 and 10,271.65 is: 14,173.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.59 : 25,154.10 = 10,271.65 : x
  2. Step 2: Convert to fraction form
    18,229.59/25,154.10 = 10,271.65/x
  3. Step 3: Cross multiply
    18,229.59x = 25,154.10 × 10,271.65
  4. Step 4: Simplify right side
    18,229.59x = 258,374,086.90
  5. Step 5: Solve for x
    x = 258,374,086.90/18,229.59
  6. Step 6: Final answer
    x = 14,173.33

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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.