Home / 11,727.69-16,184.62-6,422.55

Finding the Fourth Proportional to 11,727.69, 16,184.62 and 6,422.55

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Solution

The fourth proportional to 11,727.69, 16,184.62 and 6,422.55 is: 8,863.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,727.69 : 16,184.62 = 6,422.55 : x
  2. Step 2: Convert to fraction form
    11,727.69/16,184.62 = 6,422.55/x
  3. Step 3: Cross multiply
    11,727.69x = 16,184.62 × 6,422.55
  4. Step 4: Simplify right side
    11,727.69x = 103,946,531.18
  5. Step 5: Solve for x
    x = 103,946,531.18/11,727.69
  6. Step 6: Final answer
    x = 8,863.34

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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.