Home / 18,229.67-25,156.74-10,271.88

Finding the Fourth Proportional to 18,229.67, 25,156.74 and 10,271.88

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Solution

The fourth proportional to 18,229.67, 25,156.74 and 10,271.88 is: 14,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.67 : 25,156.74 = 10,271.88 : x
  2. Step 2: Convert to fraction form
    18,229.67/25,156.74 = 10,271.88/x
  3. Step 3: Cross multiply
    18,229.67x = 25,156.74 × 10,271.88
  4. Step 4: Simplify right side
    18,229.67x = 258,406,837.33
  5. Step 5: Solve for x
    x = 258,406,837.33/18,229.67
  6. Step 6: Final answer
    x = 14,175.07

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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.