Home / 13,146.11-19,725.31-5,749.61

Finding the Fourth Proportional to 13,146.11, 19,725.31 and 5,749.61

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Solution

The fourth proportional to 13,146.11, 19,725.31 and 5,749.61 is: 8,627.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146.11 : 19,725.31 = 5,749.61 : x
  2. Step 2: Convert to fraction form
    13,146.11/19,725.31 = 5,749.61/x
  3. Step 3: Cross multiply
    13,146.11x = 19,725.31 × 5,749.61
  4. Step 4: Simplify right side
    13,146.11x = 113,412,748.19
  5. Step 5: Solve for x
    x = 113,412,748.19/13,146.11
  6. Step 6: Final answer
    x = 8,627.10

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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.