Home / 13,939.11-20,894.07-4,576.74

Finding the Fourth Proportional to 13,939.11, 20,894.07 and 4,576.74

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Solution

The fourth proportional to 13,939.11, 20,894.07 and 4,576.74 is: 6,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,939.11 : 20,894.07 = 4,576.74 : x
  2. Step 2: Convert to fraction form
    13,939.11/20,894.07 = 4,576.74/x
  3. Step 3: Cross multiply
    13,939.11x = 20,894.07 × 4,576.74
  4. Step 4: Simplify right side
    13,939.11x = 95,626,725.93
  5. Step 5: Solve for x
    x = 95,626,725.93/13,939.11
  6. Step 6: Final answer
    x = 6,860.32

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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.