Home / 13,212.52-18,233.24-7,244.20

Finding the Fourth Proportional to 13,212.52, 18,233.24 and 7,244.20

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Solution

The fourth proportional to 13,212.52, 18,233.24 and 7,244.20 is: 9,996.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.52 : 18,233.24 = 7,244.20 : x
  2. Step 2: Convert to fraction form
    13,212.52/18,233.24 = 7,244.20/x
  3. Step 3: Cross multiply
    13,212.52x = 18,233.24 × 7,244.20
  4. Step 4: Simplify right side
    13,212.52x = 132,085,223.78
  5. Step 5: Solve for x
    x = 132,085,223.78/13,212.52
  6. Step 6: Final answer
    x = 9,996.98

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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.