Home / 20,448.14-30,684.12-8,601.06

Finding the Fourth Proportional to 20,448.14, 30,684.12 and 8,601.06

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Solution

The fourth proportional to 20,448.14, 30,684.12 and 8,601.06 is: 12,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,448.14 : 30,684.12 = 8,601.06 : x
  2. Step 2: Convert to fraction form
    20,448.14/30,684.12 = 8,601.06/x
  3. Step 3: Cross multiply
    20,448.14x = 30,684.12 × 8,601.06
  4. Step 4: Simplify right side
    20,448.14x = 263,915,957.17
  5. Step 5: Solve for x
    x = 263,915,957.17/20,448.14
  6. Step 6: Final answer
    x = 12,906.60

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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.