Home / 20,109.24-30,167.10-6,255

Finding the Fourth Proportional to 20,109.24, 30,167.10 and 6,255

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Solution

The fourth proportional to 20,109.24, 30,167.10 and 6,255 is: 9,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,109.24 : 30,167.10 = 6,255 : x
  2. Step 2: Convert to fraction form
    20,109.24/30,167.10 = 6,255/x
  3. Step 3: Cross multiply
    20,109.24x = 30,167.10 × 6,255
  4. Step 4: Simplify right side
    20,109.24x = 188,695,210.50
  5. Step 5: Solve for x
    x = 188,695,210.50/20,109.24
  6. Step 6: Final answer
    x = 9,383.51

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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.