Home / 22,107.26-33,160.89-7,312.21

Finding the Fourth Proportional to 22,107.26, 33,160.89 and 7,312.21

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Solution

The fourth proportional to 22,107.26, 33,160.89 and 7,312.21 is: 10,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.26 : 33,160.89 = 7,312.21 : x
  2. Step 2: Convert to fraction form
    22,107.26/33,160.89 = 7,312.21/x
  3. Step 3: Cross multiply
    22,107.26x = 33,160.89 × 7,312.21
  4. Step 4: Simplify right side
    22,107.26x = 242,479,391.47
  5. Step 5: Solve for x
    x = 242,479,391.47/22,107.26
  6. Step 6: Final answer
    x = 10,968.32

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Double scale
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Similar ratio
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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.