Home / 18,242.88-25,175.17-9,859.38

Finding the Fourth Proportional to 18,242.88, 25,175.17 and 9,859.38

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Solution

The fourth proportional to 18,242.88, 25,175.17 and 9,859.38 is: 13,605.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.88 : 25,175.17 = 9,859.38 : x
  2. Step 2: Convert to fraction form
    18,242.88/25,175.17 = 9,859.38/x
  3. Step 3: Cross multiply
    18,242.88x = 25,175.17 × 9,859.38
  4. Step 4: Simplify right side
    18,242.88x = 248,211,567.59
  5. Step 5: Solve for x
    x = 248,211,567.59/18,242.88
  6. Step 6: Final answer
    x = 13,605.94

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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.