Home / 17,739.01-24,480.89-9,781.21

Finding the Fourth Proportional to 17,739.01, 24,480.89 and 9,781.21

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Solution

The fourth proportional to 17,739.01, 24,480.89 and 9,781.21 is: 13,498.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.01 : 24,480.89 = 9,781.21 : x
  2. Step 2: Convert to fraction form
    17,739.01/24,480.89 = 9,781.21/x
  3. Step 3: Cross multiply
    17,739.01x = 24,480.89 × 9,781.21
  4. Step 4: Simplify right side
    17,739.01x = 239,452,689.33
  5. Step 5: Solve for x
    x = 239,452,689.33/17,739.01
  6. Step 6: Final answer
    x = 13,498.65

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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.