Home / 11,717.54-17,578.15-3,818.22

Finding the Fourth Proportional to 11,717.54, 17,578.15 and 3,818.22

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Solution

The fourth proportional to 11,717.54, 17,578.15 and 3,818.22 is: 5,727.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,717.54 : 17,578.15 = 3,818.22 : x
  2. Step 2: Convert to fraction form
    11,717.54/17,578.15 = 3,818.22/x
  3. Step 3: Cross multiply
    11,717.54x = 17,578.15 × 3,818.22
  4. Step 4: Simplify right side
    11,717.54x = 67,117,316.75
  5. Step 5: Solve for x
    x = 67,117,316.75/11,717.54
  6. Step 6: Final answer
    x = 5,727.93

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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.