Home / 13,270.14-19,906.50-4,948.20

Finding the Fourth Proportional to 13,270.14, 19,906.50 and 4,948.20

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Solution

The fourth proportional to 13,270.14, 19,906.50 and 4,948.20 is: 7,422.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270.14 : 19,906.50 = 4,948.20 : x
  2. Step 2: Convert to fraction form
    13,270.14/19,906.50 = 4,948.20/x
  3. Step 3: Cross multiply
    13,270.14x = 19,906.50 × 4,948.20
  4. Step 4: Simplify right side
    13,270.14x = 98,501,343.30
  5. Step 5: Solve for x
    x = 98,501,343.30/13,270.14
  6. Step 6: Final answer
    x = 7,422.78

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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.