Home / 36,105.76-54,159.75-9,811.06

Finding the Fourth Proportional to 36,105.76, 54,159.75 and 9,811.06

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Solution

The fourth proportional to 36,105.76, 54,159.75 and 9,811.06 is: 14,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,105.76 : 54,159.75 = 9,811.06 : x
  2. Step 2: Convert to fraction form
    36,105.76/54,159.75 = 9,811.06/x
  3. Step 3: Cross multiply
    36,105.76x = 54,159.75 × 9,811.06
  4. Step 4: Simplify right side
    36,105.76x = 531,364,556.84
  5. Step 5: Solve for x
    x = 531,364,556.84/36,105.76
  6. Step 6: Final answer
    x = 14,716.89

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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.