Home / 11,850.99-17,781.68-5,615.46

Finding the Fourth Proportional to 11,850.99, 17,781.68 and 5,615.46

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Solution

The fourth proportional to 11,850.99, 17,781.68 and 5,615.46 is: 8,425.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,850.99 : 17,781.68 = 5,615.46 : x
  2. Step 2: Convert to fraction form
    11,850.99/17,781.68 = 5,615.46/x
  3. Step 3: Cross multiply
    11,850.99x = 17,781.68 × 5,615.46
  4. Step 4: Simplify right side
    11,850.99x = 99,852,284.70
  5. Step 5: Solve for x
    x = 99,852,284.70/11,850.99
  6. Step 6: Final answer
    x = 8,425.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.