Home / 13,241.76-19,862.63-3,381.05

Finding the Fourth Proportional to 13,241.76, 19,862.63 and 3,381.05

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Solution

The fourth proportional to 13,241.76, 19,862.63 and 3,381.05 is: 5,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,241.76 : 19,862.63 = 3,381.05 : x
  2. Step 2: Convert to fraction form
    13,241.76/19,862.63 = 3,381.05/x
  3. Step 3: Cross multiply
    13,241.76x = 19,862.63 × 3,381.05
  4. Step 4: Simplify right side
    13,241.76x = 67,156,428.94
  5. Step 5: Solve for x
    x = 67,156,428.94/13,241.76
  6. Step 6: Final answer
    x = 5,071.56

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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.