Home / 20,408.18-30,612.27-6,558.26

Finding the Fourth Proportional to 20,408.18, 30,612.27 and 6,558.26

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Solution

The fourth proportional to 20,408.18, 30,612.27 and 6,558.26 is: 9,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,408.18 : 30,612.27 = 6,558.26 : x
  2. Step 2: Convert to fraction form
    20,408.18/30,612.27 = 6,558.26/x
  3. Step 3: Cross multiply
    20,408.18x = 30,612.27 × 6,558.26
  4. Step 4: Simplify right side
    20,408.18x = 200,763,225.85
  5. Step 5: Solve for x
    x = 200,763,225.85/20,408.18
  6. Step 6: Final answer
    x = 9,837.39

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Similar ratio
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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.