Home / 18,265.12-27,393.46-5,118.82

Finding the Fourth Proportional to 18,265.12, 27,393.46 and 5,118.82

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Solution

The fourth proportional to 18,265.12, 27,393.46 and 5,118.82 is: 7,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.12 : 27,393.46 = 5,118.82 : x
  2. Step 2: Convert to fraction form
    18,265.12/27,393.46 = 5,118.82/x
  3. Step 3: Cross multiply
    18,265.12x = 27,393.46 × 5,118.82
  4. Step 4: Simplify right side
    18,265.12x = 140,222,190.92
  5. Step 5: Solve for x
    x = 140,222,190.92/18,265.12
  6. Step 6: Final answer
    x = 7,677.05

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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.