Home / 17,984.13-26,979.84-6,891.18

Finding the Fourth Proportional to 17,984.13, 26,979.84 and 6,891.18

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Solution

The fourth proportional to 17,984.13, 26,979.84 and 6,891.18 is: 10,338.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,984.13 : 26,979.84 = 6,891.18 : x
  2. Step 2: Convert to fraction form
    17,984.13/26,979.84 = 6,891.18/x
  3. Step 3: Cross multiply
    17,984.13x = 26,979.84 × 6,891.18
  4. Step 4: Simplify right side
    17,984.13x = 185,922,933.81
  5. Step 5: Solve for x
    x = 185,922,933.81/17,984.13
  6. Step 6: Final answer
    x = 10,338.17

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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.