Home / 11,293.20-16,917.12-6,355.44

Finding the Fourth Proportional to 11,293.20, 16,917.12 and 6,355.44

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Solution

The fourth proportional to 11,293.20, 16,917.12 and 6,355.44 is: 9,520.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.20 : 16,917.12 = 6,355.44 : x
  2. Step 2: Convert to fraction form
    11,293.20/16,917.12 = 6,355.44/x
  3. Step 3: Cross multiply
    11,293.20x = 16,917.12 × 6,355.44
  4. Step 4: Simplify right side
    11,293.20x = 107,515,741.13
  5. Step 5: Solve for x
    x = 107,515,741.13/11,293.20
  6. Step 6: Final answer
    x = 9,520.40

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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.