Home / 17,739.56-24,480.66-9,781.61

Finding the Fourth Proportional to 17,739.56, 24,480.66 and 9,781.61

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Solution

The fourth proportional to 17,739.56, 24,480.66 and 9,781.61 is: 13,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.56 : 24,480.66 = 9,781.61 : x
  2. Step 2: Convert to fraction form
    17,739.56/24,480.66 = 9,781.61/x
  3. Step 3: Cross multiply
    17,739.56x = 24,480.66 × 9,781.61
  4. Step 4: Simplify right side
    17,739.56x = 239,460,146.26
  5. Step 5: Solve for x
    x = 239,460,146.26/17,739.56
  6. Step 6: Final answer
    x = 13,498.66

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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.