Home / 21,986.64-32,984.58-7,194.41

Finding the Fourth Proportional to 21,986.64, 32,984.58 and 7,194.41

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Solution

The fourth proportional to 21,986.64, 32,984.58 and 7,194.41 is: 10,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,986.64 : 32,984.58 = 7,194.41 : x
  2. Step 2: Convert to fraction form
    21,986.64/32,984.58 = 7,194.41/x
  3. Step 3: Cross multiply
    21,986.64x = 32,984.58 × 7,194.41
  4. Step 4: Simplify right side
    21,986.64x = 237,304,427.27
  5. Step 5: Solve for x
    x = 237,304,427.27/21,986.64
  6. Step 6: Final answer
    x = 10,793.12

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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.