Home / 12,748.38-17,583.03-9,223.26

Finding the Fourth Proportional to 12,748.38, 17,583.03 and 9,223.26

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Solution

The fourth proportional to 12,748.38, 17,583.03 and 9,223.26 is: 12,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748.38 : 17,583.03 = 9,223.26 : x
  2. Step 2: Convert to fraction form
    12,748.38/17,583.03 = 9,223.26/x
  3. Step 3: Cross multiply
    12,748.38x = 17,583.03 × 9,223.26
  4. Step 4: Simplify right side
    12,748.38x = 162,172,857.28
  5. Step 5: Solve for x
    x = 162,172,857.28/12,748.38
  6. Step 6: Final answer
    x = 12,721.06

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Double scale
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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.