Home / 18,320.18-27,482.49-6,471.54

Finding the Fourth Proportional to 18,320.18, 27,482.49 and 6,471.54

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Solution

The fourth proportional to 18,320.18, 27,482.49 and 6,471.54 is: 9,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.18 : 27,482.49 = 6,471.54 : x
  2. Step 2: Convert to fraction form
    18,320.18/27,482.49 = 6,471.54/x
  3. Step 3: Cross multiply
    18,320.18x = 27,482.49 × 6,471.54
  4. Step 4: Simplify right side
    18,320.18x = 177,854,033.33
  5. Step 5: Solve for x
    x = 177,854,033.33/18,320.18
  6. Step 6: Final answer
    x = 9,708.10

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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.