Home / 22,268.39-33,402.51-9,120.76

Finding the Fourth Proportional to 22,268.39, 33,402.51 and 9,120.76

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Solution

The fourth proportional to 22,268.39, 33,402.51 and 9,120.76 is: 13,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.39 : 33,402.51 = 9,120.76 : x
  2. Step 2: Convert to fraction form
    22,268.39/33,402.51 = 9,120.76/x
  3. Step 3: Cross multiply
    22,268.39x = 33,402.51 × 9,120.76
  4. Step 4: Simplify right side
    22,268.39x = 304,656,193.60
  5. Step 5: Solve for x
    x = 304,656,193.60/22,268.39
  6. Step 6: Final answer
    x = 13,681.11

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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.