Home / 36,105.28-54,159.36-11,143.12

Finding the Fourth Proportional to 36,105.28, 54,159.36 and 11,143.12

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Solution

The fourth proportional to 36,105.28, 54,159.36 and 11,143.12 is: 16,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.28 : 54,159.36 = 11,143.12 : x
  2. Step 2: Convert to fraction form
    36,105.28/54,159.36 = 11,143.12/x
  3. Step 3: Cross multiply
    36,105.28x = 54,159.36 × 11,143.12
  4. Step 4: Simplify right side
    36,105.28x = 603,504,247.60
  5. Step 5: Solve for x
    x = 603,504,247.60/36,105.28
  6. Step 6: Final answer
    x = 16,715.12

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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.