Home / 11,742.92-16,205.20-7,027.20

Finding the Fourth Proportional to 11,742.92, 16,205.20 and 7,027.20

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Solution

The fourth proportional to 11,742.92, 16,205.20 and 7,027.20 is: 9,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.92 : 16,205.20 = 7,027.20 : x
  2. Step 2: Convert to fraction form
    11,742.92/16,205.20 = 7,027.20/x
  3. Step 3: Cross multiply
    11,742.92x = 16,205.20 × 7,027.20
  4. Step 4: Simplify right side
    11,742.92x = 113,877,181.44
  5. Step 5: Solve for x
    x = 113,877,181.44/11,742.92
  6. Step 6: Final answer
    x = 9,697.52

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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.