Home / 16,963.20-23,410.56-9,889.44

Finding the Fourth Proportional to 16,963.20, 23,410.56 and 9,889.44

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Solution

The fourth proportional to 16,963.20, 23,410.56 and 9,889.44 is: 13,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,963.20 : 23,410.56 = 9,889.44 : x
  2. Step 2: Convert to fraction form
    16,963.20/23,410.56 = 9,889.44/x
  3. Step 3: Cross multiply
    16,963.20x = 23,410.56 × 9,889.44
  4. Step 4: Simplify right side
    16,963.20x = 231,517,328.49
  5. Step 5: Solve for x
    x = 231,517,328.49/16,963.20
  6. Step 6: Final answer
    x = 13,648.21

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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.