Home / 11,913.22-17,867.40-4,515.13

Finding the Fourth Proportional to 11,913.22, 17,867.40 and 4,515.13

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Solution

The fourth proportional to 11,913.22, 17,867.40 and 4,515.13 is: 6,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.22 : 17,867.40 = 4,515.13 : x
  2. Step 2: Convert to fraction form
    11,913.22/17,867.40 = 4,515.13/x
  3. Step 3: Cross multiply
    11,913.22x = 17,867.40 × 4,515.13
  4. Step 4: Simplify right side
    11,913.22x = 80,673,633.76
  5. Step 5: Solve for x
    x = 80,673,633.76/11,913.22
  6. Step 6: Final answer
    x = 6,771.77

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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.