Home / 13,791.12-20,658.36-9,334.80

Finding the Fourth Proportional to 13,791.12, 20,658.36 and 9,334.80

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Solution

The fourth proportional to 13,791.12, 20,658.36 and 9,334.80 is: 13,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.12 : 20,658.36 = 9,334.80 : x
  2. Step 2: Convert to fraction form
    13,791.12/20,658.36 = 9,334.80/x
  3. Step 3: Cross multiply
    13,791.12x = 20,658.36 × 9,334.80
  4. Step 4: Simplify right side
    13,791.12x = 192,841,658.93
  5. Step 5: Solve for x
    x = 192,841,658.93/13,791.12
  6. Step 6: Final answer
    x = 13,983.03

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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.