Home / 11,065.86-16,589.07-4,145.22

Finding the Fourth Proportional to 11,065.86, 16,589.07 and 4,145.22

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Solution

The fourth proportional to 11,065.86, 16,589.07 and 4,145.22 is: 6,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.86 : 16,589.07 = 4,145.22 : x
  2. Step 2: Convert to fraction form
    11,065.86/16,589.07 = 4,145.22/x
  3. Step 3: Cross multiply
    11,065.86x = 16,589.07 × 4,145.22
  4. Step 4: Simplify right side
    11,065.86x = 68,765,344.75
  5. Step 5: Solve for x
    x = 68,765,344.75/11,065.86
  6. Step 6: Final answer
    x = 6,214.19

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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.