Home / 11,223.87-15,489.04-6,188.27

Finding the Fourth Proportional to 11,223.87, 15,489.04 and 6,188.27

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Solution

The fourth proportional to 11,223.87, 15,489.04 and 6,188.27 is: 8,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.87 : 15,489.04 = 6,188.27 : x
  2. Step 2: Convert to fraction form
    11,223.87/15,489.04 = 6,188.27/x
  3. Step 3: Cross multiply
    11,223.87x = 15,489.04 × 6,188.27
  4. Step 4: Simplify right side
    11,223.87x = 95,850,280.25
  5. Step 5: Solve for x
    x = 95,850,280.25/11,223.87
  6. Step 6: Final answer
    x = 8,539.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.