Home / 17,918.82-24,727.77-9,961.74

Finding the Fourth Proportional to 17,918.82, 24,727.77 and 9,961.74

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Solution

The fourth proportional to 17,918.82, 24,727.77 and 9,961.74 is: 13,747.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.82 : 24,727.77 = 9,961.74 : x
  2. Step 2: Convert to fraction form
    17,918.82/24,727.77 = 9,961.74/x
  3. Step 3: Cross multiply
    17,918.82x = 24,727.77 × 9,961.74
  4. Step 4: Simplify right side
    17,918.82x = 246,331,615.52
  5. Step 5: Solve for x
    x = 246,331,615.52/17,918.82
  6. Step 6: Final answer
    x = 13,747.09

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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.