Home / 11,839.19-17,744.64-5,505.50

Finding the Fourth Proportional to 11,839.19, 17,744.64 and 5,505.50

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Solution

The fourth proportional to 11,839.19, 17,744.64 and 5,505.50 is: 8,251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.19 : 17,744.64 = 5,505.50 : x
  2. Step 2: Convert to fraction form
    11,839.19/17,744.64 = 5,505.50/x
  3. Step 3: Cross multiply
    11,839.19x = 17,744.64 × 5,505.50
  4. Step 4: Simplify right side
    11,839.19x = 97,693,139.24
  5. Step 5: Solve for x
    x = 97,693,139.24/11,839.19
  6. Step 6: Final answer
    x = 8,251.68

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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.