Home / 10,826.85-16,237.81-3,429.93

Finding the Fourth Proportional to 10,826.85, 16,237.81 and 3,429.93

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Solution

The fourth proportional to 10,826.85, 16,237.81 and 3,429.93 is: 5,144.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.85 : 16,237.81 = 3,429.93 : x
  2. Step 2: Convert to fraction form
    10,826.85/16,237.81 = 3,429.93/x
  3. Step 3: Cross multiply
    10,826.85x = 16,237.81 × 3,429.93
  4. Step 4: Simplify right side
    10,826.85x = 55,694,551.65
  5. Step 5: Solve for x
    x = 55,694,551.65/10,826.85
  6. Step 6: Final answer
    x = 5,144.11

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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.