Home / 13,192.11-18,204.28-7,223.85

Finding the Fourth Proportional to 13,192.11, 18,204.28 and 7,223.85

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Solution

The fourth proportional to 13,192.11, 18,204.28 and 7,223.85 is: 9,968.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.11 : 18,204.28 = 7,223.85 : x
  2. Step 2: Convert to fraction form
    13,192.11/18,204.28 = 7,223.85/x
  3. Step 3: Cross multiply
    13,192.11x = 18,204.28 × 7,223.85
  4. Step 4: Simplify right side
    13,192.11x = 131,504,970.02
  5. Step 5: Solve for x
    x = 131,504,970.02/13,192.11
  6. Step 6: Final answer
    x = 9,968.46

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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.