Home / 12,175.23-18,261.42-3,290.13

Finding the Fourth Proportional to 12,175.23, 18,261.42 and 3,290.13

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Solution

The fourth proportional to 12,175.23, 18,261.42 and 3,290.13 is: 4,934.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.23 : 18,261.42 = 3,290.13 : x
  2. Step 2: Convert to fraction form
    12,175.23/18,261.42 = 3,290.13/x
  3. Step 3: Cross multiply
    12,175.23x = 18,261.42 × 3,290.13
  4. Step 4: Simplify right side
    12,175.23x = 60,082,494.06
  5. Step 5: Solve for x
    x = 60,082,494.06/12,175.23
  6. Step 6: Final answer
    x = 4,934.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.