Home / 20,196.68-30,296.64-7,048.76

Finding the Fourth Proportional to 20,196.68, 30,296.64 and 7,048.76

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Solution

The fourth proportional to 20,196.68, 30,296.64 and 7,048.76 is: 10,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,196.68 : 30,296.64 = 7,048.76 : x
  2. Step 2: Convert to fraction form
    20,196.68/30,296.64 = 7,048.76/x
  3. Step 3: Cross multiply
    20,196.68x = 30,296.64 × 7,048.76
  4. Step 4: Simplify right side
    20,196.68x = 213,553,744.17
  5. Step 5: Solve for x
    x = 213,553,744.17/20,196.68
  6. Step 6: Final answer
    x = 10,573.71

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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.