Home / 11,749.08-17,589.48-9,144.12

Finding the Fourth Proportional to 11,749.08, 17,589.48 and 9,144.12

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Solution

The fourth proportional to 11,749.08, 17,589.48 and 9,144.12 is: 13,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.08 : 17,589.48 = 9,144.12 : x
  2. Step 2: Convert to fraction form
    11,749.08/17,589.48 = 9,144.12/x
  3. Step 3: Cross multiply
    11,749.08x = 17,589.48 × 9,144.12
  4. Step 4: Simplify right side
    11,749.08x = 160,840,315.86
  5. Step 5: Solve for x
    x = 160,840,315.86/11,749.08
  6. Step 6: Final answer
    x = 13,689.61

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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.