Home / 9,418.39-14,130.68-3,874.35

Finding the Fourth Proportional to 9,418.39, 14,130.68 and 3,874.35

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Solution

The fourth proportional to 9,418.39, 14,130.68 and 3,874.35 is: 5,812.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.39 : 14,130.68 = 3,874.35 : x
  2. Step 2: Convert to fraction form
    9,418.39/14,130.68 = 3,874.35/x
  3. Step 3: Cross multiply
    9,418.39x = 14,130.68 × 3,874.35
  4. Step 4: Simplify right side
    9,418.39x = 54,747,200.06
  5. Step 5: Solve for x
    x = 54,747,200.06/9,418.39
  6. Step 6: Final answer
    x = 5,812.80

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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.