Home / 22,170.81-33,262.56-7,389.39

Finding the Fourth Proportional to 22,170.81, 33,262.56 and 7,389.39

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Solution

The fourth proportional to 22,170.81, 33,262.56 and 7,389.39 is: 11,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.81 : 33,262.56 = 7,389.39 : x
  2. Step 2: Convert to fraction form
    22,170.81/33,262.56 = 7,389.39/x
  3. Step 3: Cross multiply
    22,170.81x = 33,262.56 × 7,389.39
  4. Step 4: Simplify right side
    22,170.81x = 245,790,028.24
  5. Step 5: Solve for x
    x = 245,790,028.24/22,170.81
  6. Step 6: Final answer
    x = 11,086.20

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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.