Home / 19,519.45-29,287.37-10,161.86

Finding the Fourth Proportional to 19,519.45, 29,287.37 and 10,161.86

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Solution

The fourth proportional to 19,519.45, 29,287.37 and 10,161.86 is: 15,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.45 : 29,287.37 = 10,161.86 : x
  2. Step 2: Convert to fraction form
    19,519.45/29,287.37 = 10,161.86/x
  3. Step 3: Cross multiply
    19,519.45x = 29,287.37 × 10,161.86
  4. Step 4: Simplify right side
    19,519.45x = 297,614,032.68
  5. Step 5: Solve for x
    x = 297,614,032.68/19,519.45
  6. Step 6: Final answer
    x = 15,247.05

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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.