Home / 13,265.12-19,906.48-7,344.48

Finding the Fourth Proportional to 13,265.12, 19,906.48 and 7,344.48

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Solution

The fourth proportional to 13,265.12, 19,906.48 and 7,344.48 is: 11,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.12 : 19,906.48 = 7,344.48 : x
  2. Step 2: Convert to fraction form
    13,265.12/19,906.48 = 7,344.48/x
  3. Step 3: Cross multiply
    13,265.12x = 19,906.48 × 7,344.48
  4. Step 4: Simplify right side
    13,265.12x = 146,202,744.23
  5. Step 5: Solve for x
    x = 146,202,744.23/13,265.12
  6. Step 6: Final answer
    x = 11,021.59

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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.