Home / 18,618.48-27,933.39-5,470.97

Finding the Fourth Proportional to 18,618.48, 27,933.39 and 5,470.97

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Solution

The fourth proportional to 18,618.48, 27,933.39 and 5,470.97 is: 8,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.48 : 27,933.39 = 5,470.97 : x
  2. Step 2: Convert to fraction form
    18,618.48/27,933.39 = 5,470.97/x
  3. Step 3: Cross multiply
    18,618.48x = 27,933.39 × 5,470.97
  4. Step 4: Simplify right side
    18,618.48x = 152,822,599.02
  5. Step 5: Solve for x
    x = 152,822,599.02/18,618.48
  6. Step 6: Final answer
    x = 8,208.11

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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.