Home / 13,241.57-19,862.34-3,380.85

Finding the Fourth Proportional to 13,241.57, 19,862.34 and 3,380.85

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Solution

The fourth proportional to 13,241.57, 19,862.34 and 3,380.85 is: 5,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.57 : 19,862.34 = 3,380.85 : x
  2. Step 2: Convert to fraction form
    13,241.57/19,862.34 = 3,380.85/x
  3. Step 3: Cross multiply
    13,241.57x = 19,862.34 × 3,380.85
  4. Step 4: Simplify right side
    13,241.57x = 67,151,592.19
  5. Step 5: Solve for x
    x = 67,151,592.19/13,241.57
  6. Step 6: Final answer
    x = 5,071.27

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1.5x scale

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.