Home / 11,750.08-17,628.18-3,429.92

Finding the Fourth Proportional to 11,750.08, 17,628.18 and 3,429.92

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Solution

The fourth proportional to 11,750.08, 17,628.18 and 3,429.92 is: 5,145.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.08 : 17,628.18 = 3,429.92 : x
  2. Step 2: Convert to fraction form
    11,750.08/17,628.18 = 3,429.92/x
  3. Step 3: Cross multiply
    11,750.08x = 17,628.18 × 3,429.92
  4. Step 4: Simplify right side
    11,750.08x = 60,463,247.15
  5. Step 5: Solve for x
    x = 60,463,247.15/11,750.08
  6. Step 6: Final answer
    x = 5,145.77

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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.