Home / 13,241.60-19,862.38-3,380.88

Finding the Fourth Proportional to 13,241.60, 19,862.38 and 3,380.88

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Solution

The fourth proportional to 13,241.60, 19,862.38 and 3,380.88 is: 5,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.60 : 19,862.38 = 3,380.88 : x
  2. Step 2: Convert to fraction form
    13,241.60/19,862.38 = 3,380.88/x
  3. Step 3: Cross multiply
    13,241.60x = 19,862.38 × 3,380.88
  4. Step 4: Simplify right side
    13,241.60x = 67,152,402.00
  5. Step 5: Solve for x
    x = 67,152,402.00/13,241.60
  6. Step 6: Final answer
    x = 5,071.32

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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.