Home / 18,254.30-27,381.45-7,166.21

Finding the Fourth Proportional to 18,254.30, 27,381.45 and 7,166.21

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Solution

The fourth proportional to 18,254.30, 27,381.45 and 7,166.21 is: 10,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.30 : 27,381.45 = 7,166.21 : x
  2. Step 2: Convert to fraction form
    18,254.30/27,381.45 = 7,166.21/x
  3. Step 3: Cross multiply
    18,254.30x = 27,381.45 × 7,166.21
  4. Step 4: Simplify right side
    18,254.30x = 196,221,316.13
  5. Step 5: Solve for x
    x = 196,221,316.13/18,254.30
  6. Step 6: Final answer
    x = 10,749.32

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Similar ratio
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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.