Home / 18,546.75-27,750.38-13,010.90

Finding the Fourth Proportional to 18,546.75, 27,750.38 and 13,010.90

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Solution

The fourth proportional to 18,546.75, 27,750.38 and 13,010.90 is: 19,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.75 : 27,750.38 = 13,010.90 : x
  2. Step 2: Convert to fraction form
    18,546.75/27,750.38 = 13,010.90/x
  3. Step 3: Cross multiply
    18,546.75x = 27,750.38 × 13,010.90
  4. Step 4: Simplify right side
    18,546.75x = 361,057,215.34
  5. Step 5: Solve for x
    x = 361,057,215.34/18,546.75
  6. Step 6: Final answer
    x = 19,467.41

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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.