Home / 21,693.97-32,512.52-12,338.29

Finding the Fourth Proportional to 21,693.97, 32,512.52 and 12,338.29

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Solution

The fourth proportional to 21,693.97, 32,512.52 and 12,338.29 is: 18,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,693.97 : 32,512.52 = 12,338.29 : x
  2. Step 2: Convert to fraction form
    21,693.97/32,512.52 = 12,338.29/x
  3. Step 3: Cross multiply
    21,693.97x = 32,512.52 × 12,338.29
  4. Step 4: Simplify right side
    21,693.97x = 401,148,838.70
  5. Step 5: Solve for x
    x = 401,148,838.70/21,693.97
  6. Step 6: Final answer
    x = 18,491.26

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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.