Home / 20,194.62-30,293.04-7,715.68

Finding the Fourth Proportional to 20,194.62, 30,293.04 and 7,715.68

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Solution

The fourth proportional to 20,194.62, 30,293.04 and 7,715.68 is: 11,573.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.62 : 30,293.04 = 7,715.68 : x
  2. Step 2: Convert to fraction form
    20,194.62/30,293.04 = 7,715.68/x
  3. Step 3: Cross multiply
    20,194.62x = 30,293.04 × 7,715.68
  4. Step 4: Simplify right side
    20,194.62x = 233,731,402.87
  5. Step 5: Solve for x
    x = 233,731,402.87/20,194.62
  6. Step 6: Final answer
    x = 11,573.94

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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.