Home / 16,921.13-23,351.15-9,469.13

Finding the Fourth Proportional to 16,921.13, 23,351.15 and 9,469.13

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Solution

The fourth proportional to 16,921.13, 23,351.15 and 9,469.13 is: 13,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.13 : 23,351.15 = 9,469.13 : x
  2. Step 2: Convert to fraction form
    16,921.13/23,351.15 = 9,469.13/x
  3. Step 3: Cross multiply
    16,921.13x = 23,351.15 × 9,469.13
  4. Step 4: Simplify right side
    16,921.13x = 221,114,981.92
  5. Step 5: Solve for x
    x = 221,114,981.92/16,921.13
  6. Step 6: Final answer
    x = 13,067.39

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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.