Home / 9,126.79-13,690.20-2,201.29

Finding the Fourth Proportional to 9,126.79, 13,690.20 and 2,201.29

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Solution

The fourth proportional to 9,126.79, 13,690.20 and 2,201.29 is: 3,301.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.79 : 13,690.20 = 2,201.29 : x
  2. Step 2: Convert to fraction form
    9,126.79/13,690.20 = 2,201.29/x
  3. Step 3: Cross multiply
    9,126.79x = 13,690.20 × 2,201.29
  4. Step 4: Simplify right side
    9,126.79x = 30,136,100.36
  5. Step 5: Solve for x
    x = 30,136,100.36/9,126.79
  6. Step 6: Final answer
    x = 3,301.94

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Half scale
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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.