Home / 11,717.83-16,170.38-6,412.54

Finding the Fourth Proportional to 11,717.83, 16,170.38 and 6,412.54

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Solution

The fourth proportional to 11,717.83, 16,170.38 and 6,412.54 is: 8,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.83 : 16,170.38 = 6,412.54 : x
  2. Step 2: Convert to fraction form
    11,717.83/16,170.38 = 6,412.54/x
  3. Step 3: Cross multiply
    11,717.83x = 16,170.38 × 6,412.54
  4. Step 4: Simplify right side
    11,717.83x = 103,693,143.74
  5. Step 5: Solve for x
    x = 103,693,143.74/11,717.83
  6. Step 6: Final answer
    x = 8,849.18

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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.