Home / 13,165.60-19,748.40-3,305.04

Finding the Fourth Proportional to 13,165.60, 19,748.40 and 3,305.04

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Solution

The fourth proportional to 13,165.60, 19,748.40 and 3,305.04 is: 4,957.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.60 : 19,748.40 = 3,305.04 : x
  2. Step 2: Convert to fraction form
    13,165.60/19,748.40 = 3,305.04/x
  3. Step 3: Cross multiply
    13,165.60x = 19,748.40 × 3,305.04
  4. Step 4: Simplify right side
    13,165.60x = 65,269,251.94
  5. Step 5: Solve for x
    x = 65,269,251.94/13,165.60
  6. Step 6: Final answer
    x = 4,957.56

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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.