Home / 11,645.45-16,070.68-6,340.26

Finding the Fourth Proportional to 11,645.45, 16,070.68 and 6,340.26

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Solution

The fourth proportional to 11,645.45, 16,070.68 and 6,340.26 is: 8,749.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.45 : 16,070.68 = 6,340.26 : x
  2. Step 2: Convert to fraction form
    11,645.45/16,070.68 = 6,340.26/x
  3. Step 3: Cross multiply
    11,645.45x = 16,070.68 × 6,340.26
  4. Step 4: Simplify right side
    11,645.45x = 101,892,289.58
  5. Step 5: Solve for x
    x = 101,892,289.58/11,645.45
  6. Step 6: Final answer
    x = 8,749.54

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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.