Home / 11,620.68-17,421.24-5,041.92

Finding the Fourth Proportional to 11,620.68, 17,421.24 and 5,041.92

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Solution

The fourth proportional to 11,620.68, 17,421.24 and 5,041.92 is: 7,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,620.68 : 17,421.24 = 5,041.92 : x
  2. Step 2: Convert to fraction form
    11,620.68/17,421.24 = 5,041.92/x
  3. Step 3: Cross multiply
    11,620.68x = 17,421.24 × 5,041.92
  4. Step 4: Simplify right side
    11,620.68x = 87,836,498.38
  5. Step 5: Solve for x
    x = 87,836,498.38/11,620.68
  6. Step 6: Final answer
    x = 7,558.64

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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.