Home / 12,246.92-18,355.26-5,664.04

Finding the Fourth Proportional to 12,246.92, 18,355.26 and 5,664.04

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Solution

The fourth proportional to 12,246.92, 18,355.26 and 5,664.04 is: 8,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.92 : 18,355.26 = 5,664.04 : x
  2. Step 2: Convert to fraction form
    12,246.92/18,355.26 = 5,664.04/x
  3. Step 3: Cross multiply
    12,246.92x = 18,355.26 × 5,664.04
  4. Step 4: Simplify right side
    12,246.92x = 103,964,926.85
  5. Step 5: Solve for x
    x = 103,964,926.85/12,246.92
  6. Step 6: Final answer
    x = 8,489.07

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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.