Home / 19,109.33-28,634.77-8,009.97

Finding the Fourth Proportional to 19,109.33, 28,634.77 and 8,009.97

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Solution

The fourth proportional to 19,109.33, 28,634.77 and 8,009.97 is: 12,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.33 : 28,634.77 = 8,009.97 : x
  2. Step 2: Convert to fraction form
    19,109.33/28,634.77 = 8,009.97/x
  3. Step 3: Cross multiply
    19,109.33x = 28,634.77 × 8,009.97
  4. Step 4: Simplify right side
    19,109.33x = 229,363,648.66
  5. Step 5: Solve for x
    x = 229,363,648.66/19,109.33
  6. Step 6: Final answer
    x = 12,002.70

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1.5x scale

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.