Home / 11,101.86-16,652.92-6,419.03

Finding the Fourth Proportional to 11,101.86, 16,652.92 and 6,419.03

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Solution

The fourth proportional to 11,101.86, 16,652.92 and 6,419.03 is: 9,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.86 : 16,652.92 = 6,419.03 : x
  2. Step 2: Convert to fraction form
    11,101.86/16,652.92 = 6,419.03/x
  3. Step 3: Cross multiply
    11,101.86x = 16,652.92 × 6,419.03
  4. Step 4: Simplify right side
    11,101.86x = 106,895,651.66
  5. Step 5: Solve for x
    x = 106,895,651.66/11,101.86
  6. Step 6: Final answer
    x = 9,628.63

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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.