Home / 11,718.39-17,566.27-4,318.80

Finding the Fourth Proportional to 11,718.39, 17,566.27 and 4,318.80

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Solution

The fourth proportional to 11,718.39, 17,566.27 and 4,318.80 is: 6,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.39 : 17,566.27 = 4,318.80 : x
  2. Step 2: Convert to fraction form
    11,718.39/17,566.27 = 4,318.80/x
  3. Step 3: Cross multiply
    11,718.39x = 17,566.27 × 4,318.80
  4. Step 4: Simplify right side
    11,718.39x = 75,865,206.88
  5. Step 5: Solve for x
    x = 75,865,206.88/11,718.39
  6. Step 6: Final answer
    x = 6,474.03

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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.