Home / 21,735.27-29,995.41-12,175.04

Finding the Fourth Proportional to 21,735.27, 29,995.41 and 12,175.04

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Solution

The fourth proportional to 21,735.27, 29,995.41 and 12,175.04 is: 16,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.27 : 29,995.41 = 12,175.04 : x
  2. Step 2: Convert to fraction form
    21,735.27/29,995.41 = 12,175.04/x
  3. Step 3: Cross multiply
    21,735.27x = 29,995.41 × 12,175.04
  4. Step 4: Simplify right side
    21,735.27x = 365,195,166.59
  5. Step 5: Solve for x
    x = 365,195,166.59/21,735.27
  6. Step 6: Final answer
    x = 16,801.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.