Home / 22,354.36-33,520.74-12,997.10

Finding the Fourth Proportional to 22,354.36, 33,520.74 and 12,997.10

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Solution

The fourth proportional to 22,354.36, 33,520.74 and 12,997.10 is: 19,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.36 : 33,520.74 = 12,997.10 : x
  2. Step 2: Convert to fraction form
    22,354.36/33,520.74 = 12,997.10/x
  3. Step 3: Cross multiply
    22,354.36x = 33,520.74 × 12,997.10
  4. Step 4: Simplify right side
    22,354.36x = 435,672,409.85
  5. Step 5: Solve for x
    x = 435,672,409.85/22,354.36
  6. Step 6: Final answer
    x = 19,489.37

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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.