Home / 22,101.29-33,161.68-12,613.21

Finding the Fourth Proportional to 22,101.29, 33,161.68 and 12,613.21

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Solution

The fourth proportional to 22,101.29, 33,161.68 and 12,613.21 is: 18,925.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.29 : 33,161.68 = 12,613.21 : x
  2. Step 2: Convert to fraction form
    22,101.29/33,161.68 = 12,613.21/x
  3. Step 3: Cross multiply
    22,101.29x = 33,161.68 × 12,613.21
  4. Step 4: Simplify right side
    22,101.29x = 418,275,119.36
  5. Step 5: Solve for x
    x = 418,275,119.36/22,101.29
  6. Step 6: Final answer
    x = 18,925.37

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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.