Home / 19,996.11-29,998.38-7,516.24

Finding the Fourth Proportional to 19,996.11, 29,998.38 and 7,516.24

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Solution

The fourth proportional to 19,996.11, 29,998.38 and 7,516.24 is: 11,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996.11 : 29,998.38 = 7,516.24 : x
  2. Step 2: Convert to fraction form
    19,996.11/29,998.38 = 7,516.24/x
  3. Step 3: Cross multiply
    19,996.11x = 29,998.38 × 7,516.24
  4. Step 4: Simplify right side
    19,996.11x = 225,475,023.69
  5. Step 5: Solve for x
    x = 225,475,023.69/19,996.11
  6. Step 6: Final answer
    x = 11,275.94

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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.