Home / 22,008.23-30,372.87-12,448.13

Finding the Fourth Proportional to 22,008.23, 30,372.87 and 12,448.13

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Solution

The fourth proportional to 22,008.23, 30,372.87 and 12,448.13 is: 17,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.23 : 30,372.87 = 12,448.13 : x
  2. Step 2: Convert to fraction form
    22,008.23/30,372.87 = 12,448.13/x
  3. Step 3: Cross multiply
    22,008.23x = 30,372.87 × 12,448.13
  4. Step 4: Simplify right side
    22,008.23x = 378,085,499.90
  5. Step 5: Solve for x
    x = 378,085,499.90/22,008.23
  6. Step 6: Final answer
    x = 17,179.27

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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.