Home / 19,105.26-28,648.67-8,008.97

Finding the Fourth Proportional to 19,105.26, 28,648.67 and 8,008.97

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Solution

The fourth proportional to 19,105.26, 28,648.67 and 8,008.97 is: 12,009.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.26 : 28,648.67 = 8,008.97 : x
  2. Step 2: Convert to fraction form
    19,105.26/28,648.67 = 8,008.97/x
  3. Step 3: Cross multiply
    19,105.26x = 28,648.67 × 8,008.97
  4. Step 4: Simplify right side
    19,105.26x = 229,446,155.28
  5. Step 5: Solve for x
    x = 229,446,155.28/19,105.26
  6. Step 6: Final answer
    x = 12,009.58

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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.