Home / 15,188.44-20,960.22-8,816.32

Finding the Fourth Proportional to 15,188.44, 20,960.22 and 8,816.32

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Solution

The fourth proportional to 15,188.44, 20,960.22 and 8,816.32 is: 12,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.44 : 20,960.22 = 8,816.32 : x
  2. Step 2: Convert to fraction form
    15,188.44/20,960.22 = 8,816.32/x
  3. Step 3: Cross multiply
    15,188.44x = 20,960.22 × 8,816.32
  4. Step 4: Simplify right side
    15,188.44x = 184,792,006.79
  5. Step 5: Solve for x
    x = 184,792,006.79/15,188.44
  6. Step 6: Final answer
    x = 12,166.62

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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.