Home / 19,690.24-29,530.32-5,836

Finding the Fourth Proportional to 19,690.24, 29,530.32 and 5,836

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Solution

The fourth proportional to 19,690.24, 29,530.32 and 5,836 is: 8,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.24 : 29,530.32 = 5,836 : x
  2. Step 2: Convert to fraction form
    19,690.24/29,530.32 = 5,836/x
  3. Step 3: Cross multiply
    19,690.24x = 29,530.32 × 5,836
  4. Step 4: Simplify right side
    19,690.24x = 172,338,947.52
  5. Step 5: Solve for x
    x = 172,338,947.52/19,690.24
  6. Step 6: Final answer
    x = 8,752.51

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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.