Home / 19,237.50-28,772.87-11,321.15

Finding the Fourth Proportional to 19,237.50, 28,772.87 and 11,321.15

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Solution

The fourth proportional to 19,237.50, 28,772.87 and 11,321.15 is: 16,932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,237.50 : 28,772.87 = 11,321.15 : x
  2. Step 2: Convert to fraction form
    19,237.50/28,772.87 = 11,321.15/x
  3. Step 3: Cross multiply
    19,237.50x = 28,772.87 × 11,321.15
  4. Step 4: Simplify right side
    19,237.50x = 325,741,776.73
  5. Step 5: Solve for x
    x = 325,741,776.73/19,237.50
  6. Step 6: Final answer
    x = 16,932.65

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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.