Home / 18,236.85-27,344.33-7,130.31

Finding the Fourth Proportional to 18,236.85, 27,344.33 and 7,130.31

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Solution

The fourth proportional to 18,236.85, 27,344.33 and 7,130.31 is: 10,691.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.85 : 27,344.33 = 7,130.31 : x
  2. Step 2: Convert to fraction form
    18,236.85/27,344.33 = 7,130.31/x
  3. Step 3: Cross multiply
    18,236.85x = 27,344.33 × 7,130.31
  4. Step 4: Simplify right side
    18,236.85x = 194,973,377.27
  5. Step 5: Solve for x
    x = 194,973,377.27/18,236.85
  6. Step 6: Final answer
    x = 10,691.18

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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.