Home / 16,680.18-23,015.19-9,963.36

Finding the Fourth Proportional to 16,680.18, 23,015.19 and 9,963.36

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Solution

The fourth proportional to 16,680.18, 23,015.19 and 9,963.36 is: 13,747.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,680.18 : 23,015.19 = 9,963.36 : x
  2. Step 2: Convert to fraction form
    16,680.18/23,015.19 = 9,963.36/x
  3. Step 3: Cross multiply
    16,680.18x = 23,015.19 × 9,963.36
  4. Step 4: Simplify right side
    16,680.18x = 229,308,623.44
  5. Step 5: Solve for x
    x = 229,308,623.44/16,680.18
  6. Step 6: Final answer
    x = 13,747.37

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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.