Home / 11,318.55-16,979.44-3,527.97

Finding the Fourth Proportional to 11,318.55, 16,979.44 and 3,527.97

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Solution

The fourth proportional to 11,318.55, 16,979.44 and 3,527.97 is: 5,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.55 : 16,979.44 = 3,527.97 : x
  2. Step 2: Convert to fraction form
    11,318.55/16,979.44 = 3,527.97/x
  3. Step 3: Cross multiply
    11,318.55x = 16,979.44 × 3,527.97
  4. Step 4: Simplify right side
    11,318.55x = 59,902,963.76
  5. Step 5: Solve for x
    x = 59,902,963.76/11,318.55
  6. Step 6: Final answer
    x = 5,292.46

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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.