Home / 18,673.16-25,781.62-13,074.44

Finding the Fourth Proportional to 18,673.16, 25,781.62 and 13,074.44

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Solution

The fourth proportional to 18,673.16, 25,781.62 and 13,074.44 is: 18,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.16 : 25,781.62 = 13,074.44 : x
  2. Step 2: Convert to fraction form
    18,673.16/25,781.62 = 13,074.44/x
  3. Step 3: Cross multiply
    18,673.16x = 25,781.62 × 13,074.44
  4. Step 4: Simplify right side
    18,673.16x = 337,080,243.79
  5. Step 5: Solve for x
    x = 337,080,243.79/18,673.16
  6. Step 6: Final answer
    x = 18,051.59

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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.