Home / 22,098.48-30,493.20-13,146.36

Finding the Fourth Proportional to 22,098.48, 30,493.20 and 13,146.36

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Solution

The fourth proportional to 22,098.48, 30,493.20 and 13,146.36 is: 18,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,098.48 : 30,493.20 = 13,146.36 : x
  2. Step 2: Convert to fraction form
    22,098.48/30,493.20 = 13,146.36/x
  3. Step 3: Cross multiply
    22,098.48x = 30,493.20 × 13,146.36
  4. Step 4: Simplify right side
    22,098.48x = 400,874,584.75
  5. Step 5: Solve for x
    x = 400,874,584.75/22,098.48
  6. Step 6: Final answer
    x = 18,140.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.