Home / 11,756.85-17,635.12-2,991.74

Finding the Fourth Proportional to 11,756.85, 17,635.12 and 2,991.74

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Solution

The fourth proportional to 11,756.85, 17,635.12 and 2,991.74 is: 4,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,756.85 : 17,635.12 = 2,991.74 : x
  2. Step 2: Convert to fraction form
    11,756.85/17,635.12 = 2,991.74/x
  3. Step 3: Cross multiply
    11,756.85x = 17,635.12 × 2,991.74
  4. Step 4: Simplify right side
    11,756.85x = 52,759,598.25
  5. Step 5: Solve for x
    x = 52,759,598.25/11,756.85
  6. Step 6: Final answer
    x = 4,487.56

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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.