Home / 22,370.29-33,530.83-9,215.49

Finding the Fourth Proportional to 22,370.29, 33,530.83 and 9,215.49

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Solution

The fourth proportional to 22,370.29, 33,530.83 and 9,215.49 is: 13,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.29 : 33,530.83 = 9,215.49 : x
  2. Step 2: Convert to fraction form
    22,370.29/33,530.83 = 9,215.49/x
  3. Step 3: Cross multiply
    22,370.29x = 33,530.83 × 9,215.49
  4. Step 4: Simplify right side
    22,370.29x = 309,003,028.56
  5. Step 5: Solve for x
    x = 309,003,028.56/22,370.29
  6. Step 6: Final answer
    x = 13,813.10

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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.