Home / 18,621.92-25,690.97-10,659.89

Finding the Fourth Proportional to 18,621.92, 25,690.97 and 10,659.89

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Solution

The fourth proportional to 18,621.92, 25,690.97 and 10,659.89 is: 14,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.92 : 25,690.97 = 10,659.89 : x
  2. Step 2: Convert to fraction form
    18,621.92/25,690.97 = 10,659.89/x
  3. Step 3: Cross multiply
    18,621.92x = 25,690.97 × 10,659.89
  4. Step 4: Simplify right side
    18,621.92x = 273,862,732.44
  5. Step 5: Solve for x
    x = 273,862,732.44/18,621.92
  6. Step 6: Final answer
    x = 14,706.48

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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.