Home / 11,418.94-17,124.90-4,398.40

Finding the Fourth Proportional to 11,418.94, 17,124.90 and 4,398.40

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Solution

The fourth proportional to 11,418.94, 17,124.90 and 4,398.40 is: 6,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.94 : 17,124.90 = 4,398.40 : x
  2. Step 2: Convert to fraction form
    11,418.94/17,124.90 = 4,398.40/x
  3. Step 3: Cross multiply
    11,418.94x = 17,124.90 × 4,398.40
  4. Step 4: Simplify right side
    11,418.94x = 75,322,160.16
  5. Step 5: Solve for x
    x = 75,322,160.16/11,418.94
  6. Step 6: Final answer
    x = 6,596.25

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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.