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Finding the Fourth Proportional to 18,482.32, 27,737.88 and 6,806.80

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Solution

The fourth proportional to 18,482.32, 27,737.88 and 6,806.80 is: 10,215.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.32 : 27,737.88 = 6,806.80 : x
  2. Step 2: Convert to fraction form
    18,482.32/27,737.88 = 6,806.80/x
  3. Step 3: Cross multiply
    18,482.32x = 27,737.88 × 6,806.80
  4. Step 4: Simplify right side
    18,482.32x = 188,806,201.58
  5. Step 5: Solve for x
    x = 188,806,201.58/18,482.32
  6. Step 6: Final answer
    x = 10,215.50

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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.