Home / 13,170.83-19,755.17-3,936.83

Finding the Fourth Proportional to 13,170.83, 19,755.17 and 3,936.83

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Solution

The fourth proportional to 13,170.83, 19,755.17 and 3,936.83 is: 5,904.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.83 : 19,755.17 = 3,936.83 : x
  2. Step 2: Convert to fraction form
    13,170.83/19,755.17 = 3,936.83/x
  3. Step 3: Cross multiply
    13,170.83x = 19,755.17 × 3,936.83
  4. Step 4: Simplify right side
    13,170.83x = 77,772,726.23
  5. Step 5: Solve for x
    x = 77,772,726.23/13,170.83
  6. Step 6: Final answer
    x = 5,904.92

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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.