Home / 22,268.79-33,403.19-8,947.89

Finding the Fourth Proportional to 22,268.79, 33,403.19 and 8,947.89

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Solution

The fourth proportional to 22,268.79, 33,403.19 and 8,947.89 is: 13,421.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.79 : 33,403.19 = 8,947.89 : x
  2. Step 2: Convert to fraction form
    22,268.79/33,403.19 = 8,947.89/x
  3. Step 3: Cross multiply
    22,268.79x = 33,403.19 × 8,947.89
  4. Step 4: Simplify right side
    22,268.79x = 298,888,025.03
  5. Step 5: Solve for x
    x = 298,888,025.03/22,268.79
  6. Step 6: Final answer
    x = 13,421.84

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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.