Home / 18,254.12-27,381.17-7,166.03

Finding the Fourth Proportional to 18,254.12, 27,381.17 and 7,166.03

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Solution

The fourth proportional to 18,254.12, 27,381.17 and 7,166.03 is: 10,749.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.12 : 27,381.17 = 7,166.03 : x
  2. Step 2: Convert to fraction form
    18,254.12/27,381.17 = 7,166.03/x
  3. Step 3: Cross multiply
    18,254.12x = 27,381.17 × 7,166.03
  4. Step 4: Simplify right side
    18,254.12x = 196,214,166.66
  5. Step 5: Solve for x
    x = 196,214,166.66/18,254.12
  6. Step 6: Final answer
    x = 10,749.04

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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.