Home / 16,769.70-23,142.48-9,216.18

Finding the Fourth Proportional to 16,769.70, 23,142.48 and 9,216.18

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Solution

The fourth proportional to 16,769.70, 23,142.48 and 9,216.18 is: 12,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.70 : 23,142.48 = 9,216.18 : x
  2. Step 2: Convert to fraction form
    16,769.70/23,142.48 = 9,216.18/x
  3. Step 3: Cross multiply
    16,769.70x = 23,142.48 × 9,216.18
  4. Step 4: Simplify right side
    16,769.70x = 213,285,261.33
  5. Step 5: Solve for x
    x = 213,285,261.33/16,769.70
  6. Step 6: Final answer
    x = 12,718.49

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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.