Home / 16,620.90-22,937.13-9,067.56

Finding the Fourth Proportional to 16,620.90, 22,937.13 and 9,067.56

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Solution

The fourth proportional to 16,620.90, 22,937.13 and 9,067.56 is: 12,513.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,620.90 : 22,937.13 = 9,067.56 : x
  2. Step 2: Convert to fraction form
    16,620.90/22,937.13 = 9,067.56/x
  3. Step 3: Cross multiply
    16,620.90x = 22,937.13 × 9,067.56
  4. Step 4: Simplify right side
    16,620.90x = 207,983,802.50
  5. Step 5: Solve for x
    x = 207,983,802.50/16,620.90
  6. Step 6: Final answer
    x = 12,513.39

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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.