Home / 16,908.64-23,335.92-9,455.20

Finding the Fourth Proportional to 16,908.64, 23,335.92 and 9,455.20

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Solution

The fourth proportional to 16,908.64, 23,335.92 and 9,455.20 is: 13,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.64 : 23,335.92 = 9,455.20 : x
  2. Step 2: Convert to fraction form
    16,908.64/23,335.92 = 9,455.20/x
  3. Step 3: Cross multiply
    16,908.64x = 23,335.92 × 9,455.20
  4. Step 4: Simplify right side
    16,908.64x = 220,645,790.78
  5. Step 5: Solve for x
    x = 220,645,790.78/16,908.64
  6. Step 6: Final answer
    x = 13,049.29

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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.