Home / 21,984.27-32,979.49-7,194.36

Finding the Fourth Proportional to 21,984.27, 32,979.49 and 7,194.36

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Solution

The fourth proportional to 21,984.27, 32,979.49 and 7,194.36 is: 10,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.27 : 32,979.49 = 7,194.36 : x
  2. Step 2: Convert to fraction form
    21,984.27/32,979.49 = 7,194.36/x
  3. Step 3: Cross multiply
    21,984.27x = 32,979.49 × 7,194.36
  4. Step 4: Simplify right side
    21,984.27x = 237,266,305.69
  5. Step 5: Solve for x
    x = 237,266,305.69/21,984.27
  6. Step 6: Final answer
    x = 10,792.55

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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.