Home / 18,427.89-27,641.84-6,734.73

Finding the Fourth Proportional to 18,427.89, 27,641.84 and 6,734.73

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Solution

The fourth proportional to 18,427.89, 27,641.84 and 6,734.73 is: 10,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.89 : 27,641.84 = 6,734.73 : x
  2. Step 2: Convert to fraction form
    18,427.89/27,641.84 = 6,734.73/x
  3. Step 3: Cross multiply
    18,427.89x = 27,641.84 × 6,734.73
  4. Step 4: Simplify right side
    18,427.89x = 186,160,329.10
  5. Step 5: Solve for x
    x = 186,160,329.10/18,427.89
  6. Step 6: Final answer
    x = 10,102.10

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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.