Home / 15,885.80-23,791.13-13,794.44

Finding the Fourth Proportional to 15,885.80, 23,791.13 and 13,794.44

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Solution

The fourth proportional to 15,885.80, 23,791.13 and 13,794.44 is: 20,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.80 : 23,791.13 = 13,794.44 : x
  2. Step 2: Convert to fraction form
    15,885.80/23,791.13 = 13,794.44/x
  3. Step 3: Cross multiply
    15,885.80x = 23,791.13 × 13,794.44
  4. Step 4: Simplify right side
    15,885.80x = 328,185,320.06
  5. Step 5: Solve for x
    x = 328,185,320.06/15,885.80
  6. Step 6: Final answer
    x = 20,659.03

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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.