Home / 19,084.12-28,628.80-6,600.80

Finding the Fourth Proportional to 19,084.12, 28,628.80 and 6,600.80

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Solution

The fourth proportional to 19,084.12, 28,628.80 and 6,600.80 is: 9,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,084.12 : 28,628.80 = 6,600.80 : x
  2. Step 2: Convert to fraction form
    19,084.12/28,628.80 = 6,600.80/x
  3. Step 3: Cross multiply
    19,084.12x = 28,628.80 × 6,600.80
  4. Step 4: Simplify right side
    19,084.12x = 188,972,983.04
  5. Step 5: Solve for x
    x = 188,972,983.04/19,084.12
  6. Step 6: Final answer
    x = 9,902.11

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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.