Home / 13,904.10-20,855.97-3,374.20

Finding the Fourth Proportional to 13,904.10, 20,855.97 and 3,374.20

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Solution

The fourth proportional to 13,904.10, 20,855.97 and 3,374.20 is: 5,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.10 : 20,855.97 = 3,374.20 : x
  2. Step 2: Convert to fraction form
    13,904.10/20,855.97 = 3,374.20/x
  3. Step 3: Cross multiply
    13,904.10x = 20,855.97 × 3,374.20
  4. Step 4: Simplify right side
    13,904.10x = 70,372,272.82
  5. Step 5: Solve for x
    x = 70,372,272.82/13,904.10
  6. Step 6: Final answer
    x = 5,061.26

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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.