Home / 22,491.16-33,725.21-13,149.42

Finding the Fourth Proportional to 22,491.16, 33,725.21 and 13,149.42

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Solution

The fourth proportional to 22,491.16, 33,725.21 and 13,149.42 is: 19,717.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,491.16 : 33,725.21 = 13,149.42 : x
  2. Step 2: Convert to fraction form
    22,491.16/33,725.21 = 13,149.42/x
  3. Step 3: Cross multiply
    22,491.16x = 33,725.21 × 13,149.42
  4. Step 4: Simplify right side
    22,491.16x = 443,466,995.49
  5. Step 5: Solve for x
    x = 443,466,995.49/22,491.16
  6. Step 6: Final answer
    x = 19,717.39

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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.