Home / 13,371.33-18,468.06-10,691.80

Finding the Fourth Proportional to 13,371.33, 18,468.06 and 10,691.80

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Solution

The fourth proportional to 13,371.33, 18,468.06 and 10,691.80 is: 14,767.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.33 : 18,468.06 = 10,691.80 : x
  2. Step 2: Convert to fraction form
    13,371.33/18,468.06 = 10,691.80/x
  3. Step 3: Cross multiply
    13,371.33x = 18,468.06 × 10,691.80
  4. Step 4: Simplify right side
    13,371.33x = 197,456,786.90
  5. Step 5: Solve for x
    x = 197,456,786.90/13,371.33
  6. Step 6: Final answer
    x = 14,767.18

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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.