Home / 22,512.69-31,067.62-12,303.92

Finding the Fourth Proportional to 22,512.69, 31,067.62 and 12,303.92

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Solution

The fourth proportional to 22,512.69, 31,067.62 and 12,303.92 is: 16,979.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,512.69 : 31,067.62 = 12,303.92 : x
  2. Step 2: Convert to fraction form
    22,512.69/31,067.62 = 12,303.92/x
  3. Step 3: Cross multiply
    22,512.69x = 31,067.62 × 12,303.92
  4. Step 4: Simplify right side
    22,512.69x = 382,253,557.98
  5. Step 5: Solve for x
    x = 382,253,557.98/22,512.69
  6. Step 6: Final answer
    x = 16,979.47

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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.