Home / 19,251.67-28,881.15-6,107.80

Finding the Fourth Proportional to 19,251.67, 28,881.15 and 6,107.80

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Solution

The fourth proportional to 19,251.67, 28,881.15 and 6,107.80 is: 9,162.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251.67 : 28,881.15 = 6,107.80 : x
  2. Step 2: Convert to fraction form
    19,251.67/28,881.15 = 6,107.80/x
  3. Step 3: Cross multiply
    19,251.67x = 28,881.15 × 6,107.80
  4. Step 4: Simplify right side
    19,251.67x = 176,400,287.97
  5. Step 5: Solve for x
    x = 176,400,287.97/19,251.67
  6. Step 6: Final answer
    x = 9,162.86

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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.