Home / 11,419.57-17,129.15-4,494.07

Finding the Fourth Proportional to 11,419.57, 17,129.15 and 4,494.07

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Solution

The fourth proportional to 11,419.57, 17,129.15 and 4,494.07 is: 6,741.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.57 : 17,129.15 = 4,494.07 : x
  2. Step 2: Convert to fraction form
    11,419.57/17,129.15 = 4,494.07/x
  3. Step 3: Cross multiply
    11,419.57x = 17,129.15 × 4,494.07
  4. Step 4: Simplify right side
    11,419.57x = 76,979,599.14
  5. Step 5: Solve for x
    x = 76,979,599.14/11,419.57
  6. Step 6: Final answer
    x = 6,741.02

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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.