Home / 13,261.28-19,892.04-3,901.48

Finding the Fourth Proportional to 13,261.28, 19,892.04 and 3,901.48

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Solution

The fourth proportional to 13,261.28, 19,892.04 and 3,901.48 is: 5,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.28 : 19,892.04 = 3,901.48 : x
  2. Step 2: Convert to fraction form
    13,261.28/19,892.04 = 3,901.48/x
  3. Step 3: Cross multiply
    13,261.28x = 19,892.04 × 3,901.48
  4. Step 4: Simplify right side
    13,261.28x = 77,608,396.22
  5. Step 5: Solve for x
    x = 77,608,396.22/13,261.28
  6. Step 6: Final answer
    x = 5,852.26

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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.