Home / 22,253.90-33,393.14-9,115.48

Finding the Fourth Proportional to 22,253.90, 33,393.14 and 9,115.48

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Solution

The fourth proportional to 22,253.90, 33,393.14 and 9,115.48 is: 13,678.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.90 : 33,393.14 = 9,115.48 : x
  2. Step 2: Convert to fraction form
    22,253.90/33,393.14 = 9,115.48/x
  3. Step 3: Cross multiply
    22,253.90x = 33,393.14 × 9,115.48
  4. Step 4: Simplify right side
    22,253.90x = 304,394,499.81
  5. Step 5: Solve for x
    x = 304,394,499.81/22,253.90
  6. Step 6: Final answer
    x = 13,678.25

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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.