Home / 11,367.36-17,053.20-3,578.40

Finding the Fourth Proportional to 11,367.36, 17,053.20 and 3,578.40

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Solution

The fourth proportional to 11,367.36, 17,053.20 and 3,578.40 is: 5,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,367.36 : 17,053.20 = 3,578.40 : x
  2. Step 2: Convert to fraction form
    11,367.36/17,053.20 = 3,578.40/x
  3. Step 3: Cross multiply
    11,367.36x = 17,053.20 × 3,578.40
  4. Step 4: Simplify right side
    11,367.36x = 61,023,170.88
  5. Step 5: Solve for x
    x = 61,023,170.88/11,367.36
  6. Step 6: Final answer
    x = 5,368.28

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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.