Home / 11,965.53-17,941.55-5,727.05

Finding the Fourth Proportional to 11,965.53, 17,941.55 and 5,727.05

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Solution

The fourth proportional to 11,965.53, 17,941.55 and 5,727.05 is: 8,587.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,965.53 : 17,941.55 = 5,727.05 : x
  2. Step 2: Convert to fraction form
    11,965.53/17,941.55 = 5,727.05/x
  3. Step 3: Cross multiply
    11,965.53x = 17,941.55 × 5,727.05
  4. Step 4: Simplify right side
    11,965.53x = 102,752,035.58
  5. Step 5: Solve for x
    x = 102,752,035.58/11,965.53
  6. Step 6: Final answer
    x = 8,587.34

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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.