Home / 10,126.96-15,190.26-3,553.18

Finding the Fourth Proportional to 10,126.96, 15,190.26 and 3,553.18

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Solution

The fourth proportional to 10,126.96, 15,190.26 and 3,553.18 is: 5,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,126.96 : 15,190.26 = 3,553.18 : x
  2. Step 2: Convert to fraction form
    10,126.96/15,190.26 = 3,553.18/x
  3. Step 3: Cross multiply
    10,126.96x = 15,190.26 × 3,553.18
  4. Step 4: Simplify right side
    10,126.96x = 53,973,728.03
  5. Step 5: Solve for x
    x = 53,973,728.03/10,126.96
  6. Step 6: Final answer
    x = 5,329.71

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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.