Home / 11,726.48-17,579.85-8,019.64

Finding the Fourth Proportional to 11,726.48, 17,579.85 and 8,019.64

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Solution

The fourth proportional to 11,726.48, 17,579.85 and 8,019.64 is: 12,022.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.48 : 17,579.85 = 8,019.64 : x
  2. Step 2: Convert to fraction form
    11,726.48/17,579.85 = 8,019.64/x
  3. Step 3: Cross multiply
    11,726.48x = 17,579.85 × 8,019.64
  4. Step 4: Simplify right side
    11,726.48x = 140,984,068.25
  5. Step 5: Solve for x
    x = 140,984,068.25/11,726.48
  6. Step 6: Final answer
    x = 12,022.71

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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.