Home / 22,200.10-33,256.95-13,408.90

Finding the Fourth Proportional to 22,200.10, 33,256.95 and 13,408.90

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Solution

The fourth proportional to 22,200.10, 33,256.95 and 13,408.90 is: 20,087.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.10 : 33,256.95 = 13,408.90 : x
  2. Step 2: Convert to fraction form
    22,200.10/33,256.95 = 13,408.90/x
  3. Step 3: Cross multiply
    22,200.10x = 33,256.95 × 13,408.90
  4. Step 4: Simplify right side
    22,200.10x = 445,939,116.86
  5. Step 5: Solve for x
    x = 445,939,116.86/22,200.10
  6. Step 6: Final answer
    x = 20,087.26

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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.