Home / 11,913.35-16,440.17-6,608.12

Finding the Fourth Proportional to 11,913.35, 16,440.17 and 6,608.12

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Solution

The fourth proportional to 11,913.35, 16,440.17 and 6,608.12 is: 9,119.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,913.35 : 16,440.17 = 6,608.12 : x
  2. Step 2: Convert to fraction form
    11,913.35/16,440.17 = 6,608.12/x
  3. Step 3: Cross multiply
    11,913.35x = 16,440.17 × 6,608.12
  4. Step 4: Simplify right side
    11,913.35x = 108,638,500.94
  5. Step 5: Solve for x
    x = 108,638,500.94/11,913.35
  6. Step 6: Final answer
    x = 9,119.06

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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.