Home / 10,388.15-15,582.36-2,992.73

Finding the Fourth Proportional to 10,388.15, 15,582.36 and 2,992.73

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Solution

The fourth proportional to 10,388.15, 15,582.36 and 2,992.73 is: 4,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.15 : 15,582.36 = 2,992.73 : x
  2. Step 2: Convert to fraction form
    10,388.15/15,582.36 = 2,992.73/x
  3. Step 3: Cross multiply
    10,388.15x = 15,582.36 × 2,992.73
  4. Step 4: Simplify right side
    10,388.15x = 46,633,796.24
  5. Step 5: Solve for x
    x = 46,633,796.24/10,388.15
  6. Step 6: Final answer
    x = 4,489.13

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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.