Home / 16,861.52-23,270.44-9,309.20

Finding the Fourth Proportional to 16,861.52, 23,270.44 and 9,309.20

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Solution

The fourth proportional to 16,861.52, 23,270.44 and 9,309.20 is: 12,847.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.52 : 23,270.44 = 9,309.20 : x
  2. Step 2: Convert to fraction form
    16,861.52/23,270.44 = 9,309.20/x
  3. Step 3: Cross multiply
    16,861.52x = 23,270.44 × 9,309.20
  4. Step 4: Simplify right side
    16,861.52x = 216,629,180.05
  5. Step 5: Solve for x
    x = 216,629,180.05/16,861.52
  6. Step 6: Final answer
    x = 12,847.55

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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.