Home / 17,918.05-24,727.75-9,960.41

Finding the Fourth Proportional to 17,918.05, 24,727.75 and 9,960.41

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Solution

The fourth proportional to 17,918.05, 24,727.75 and 9,960.41 is: 13,745.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.05 : 24,727.75 = 9,960.41 : x
  2. Step 2: Convert to fraction form
    17,918.05/24,727.75 = 9,960.41/x
  3. Step 3: Cross multiply
    17,918.05x = 24,727.75 × 9,960.41
  4. Step 4: Simplify right side
    17,918.05x = 246,298,404.74
  5. Step 5: Solve for x
    x = 246,298,404.74/17,918.05
  6. Step 6: Final answer
    x = 13,745.83

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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.