Home / 12,180.71-18,268.34-5,600.58

Finding the Fourth Proportional to 12,180.71, 18,268.34 and 5,600.58

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Solution

The fourth proportional to 12,180.71, 18,268.34 and 5,600.58 is: 8,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,180.71 : 18,268.34 = 5,600.58 : x
  2. Step 2: Convert to fraction form
    12,180.71/18,268.34 = 5,600.58/x
  3. Step 3: Cross multiply
    12,180.71x = 18,268.34 × 5,600.58
  4. Step 4: Simplify right side
    12,180.71x = 102,313,203.13
  5. Step 5: Solve for x
    x = 102,313,203.13/12,180.71
  6. Step 6: Final answer
    x = 8,399.61

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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.