Home / 11,890.08-17,835.36-3,125.04

Finding the Fourth Proportional to 11,890.08, 17,835.36 and 3,125.04

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Solution

The fourth proportional to 11,890.08, 17,835.36 and 3,125.04 is: 4,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.08 : 17,835.36 = 3,125.04 : x
  2. Step 2: Convert to fraction form
    11,890.08/17,835.36 = 3,125.04/x
  3. Step 3: Cross multiply
    11,890.08x = 17,835.36 × 3,125.04
  4. Step 4: Simplify right side
    11,890.08x = 55,736,213.41
  5. Step 5: Solve for x
    x = 55,736,213.41/11,890.08
  6. Step 6: Final answer
    x = 4,687.62

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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.