Home / 13,254.60-19,877.04-3,892.22

Finding the Fourth Proportional to 13,254.60, 19,877.04 and 3,892.22

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Solution

The fourth proportional to 13,254.60, 19,877.04 and 3,892.22 is: 5,836.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.60 : 19,877.04 = 3,892.22 : x
  2. Step 2: Convert to fraction form
    13,254.60/19,877.04 = 3,892.22/x
  3. Step 3: Cross multiply
    13,254.60x = 19,877.04 × 3,892.22
  4. Step 4: Simplify right side
    13,254.60x = 77,365,812.63
  5. Step 5: Solve for x
    x = 77,365,812.63/13,254.60
  6. Step 6: Final answer
    x = 5,836.90

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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.