Home / 15,946.97-22,007.68-8,873.55

Finding the Fourth Proportional to 15,946.97, 22,007.68 and 8,873.55

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Solution

The fourth proportional to 15,946.97, 22,007.68 and 8,873.55 is: 12,245.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.97 : 22,007.68 = 8,873.55 : x
  2. Step 2: Convert to fraction form
    15,946.97/22,007.68 = 8,873.55/x
  3. Step 3: Cross multiply
    15,946.97x = 22,007.68 × 8,873.55
  4. Step 4: Simplify right side
    15,946.97x = 195,286,138.83
  5. Step 5: Solve for x
    x = 195,286,138.83/15,946.97
  6. Step 6: Final answer
    x = 12,245.97

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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.