Home / 18,118.54-24,999.59-17,521.21

Finding the Fourth Proportional to 18,118.54, 24,999.59 and 17,521.21

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Solution

The fourth proportional to 18,118.54, 24,999.59 and 17,521.21 is: 24,175.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.54 : 24,999.59 = 17,521.21 : x
  2. Step 2: Convert to fraction form
    18,118.54/24,999.59 = 17,521.21/x
  3. Step 3: Cross multiply
    18,118.54x = 24,999.59 × 17,521.21
  4. Step 4: Simplify right side
    18,118.54x = 438,023,042.80
  5. Step 5: Solve for x
    x = 438,023,042.80/18,118.54
  6. Step 6: Final answer
    x = 24,175.41

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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.