Home / 11,515.64-17,277.12-4,119.94

Finding the Fourth Proportional to 11,515.64, 17,277.12 and 4,119.94

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Solution

The fourth proportional to 11,515.64, 17,277.12 and 4,119.94 is: 6,181.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,515.64 : 17,277.12 = 4,119.94 : x
  2. Step 2: Convert to fraction form
    11,515.64/17,277.12 = 4,119.94/x
  3. Step 3: Cross multiply
    11,515.64x = 17,277.12 × 4,119.94
  4. Step 4: Simplify right side
    11,515.64x = 71,180,697.77
  5. Step 5: Solve for x
    x = 71,180,697.77/11,515.64
  6. Step 6: Final answer
    x = 6,181.22

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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.