Home / 18,639.14-27,976.22-9,760.84

Finding the Fourth Proportional to 18,639.14, 27,976.22 and 9,760.84

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Solution

The fourth proportional to 18,639.14, 27,976.22 and 9,760.84 is: 14,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639.14 : 27,976.22 = 9,760.84 : x
  2. Step 2: Convert to fraction form
    18,639.14/27,976.22 = 9,760.84/x
  3. Step 3: Cross multiply
    18,639.14x = 27,976.22 × 9,760.84
  4. Step 4: Simplify right side
    18,639.14x = 273,071,484.29
  5. Step 5: Solve for x
    x = 273,071,484.29/18,639.14
  6. Step 6: Final answer
    x = 14,650.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.