Home / 11,717.83-16,170.60-6,412.66

Finding the Fourth Proportional to 11,717.83, 16,170.60 and 6,412.66

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Solution

The fourth proportional to 11,717.83, 16,170.60 and 6,412.66 is: 8,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.83 : 16,170.60 = 6,412.66 : x
  2. Step 2: Convert to fraction form
    11,717.83/16,170.60 = 6,412.66/x
  3. Step 3: Cross multiply
    11,717.83x = 16,170.60 × 6,412.66
  4. Step 4: Simplify right side
    11,717.83x = 103,696,559.80
  5. Step 5: Solve for x
    x = 103,696,559.80/11,717.83
  6. Step 6: Final answer
    x = 8,849.47

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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.