Home / 18,734.09-28,092.89-9,966.92

Finding the Fourth Proportional to 18,734.09, 28,092.89 and 9,966.92

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Solution

The fourth proportional to 18,734.09, 28,092.89 and 9,966.92 is: 14,945.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.09 : 28,092.89 = 9,966.92 : x
  2. Step 2: Convert to fraction form
    18,734.09/28,092.89 = 9,966.92/x
  3. Step 3: Cross multiply
    18,734.09x = 28,092.89 × 9,966.92
  4. Step 4: Simplify right side
    18,734.09x = 279,999,471.65
  5. Step 5: Solve for x
    x = 279,999,471.65/18,734.09
  6. Step 6: Final answer
    x = 14,945.99

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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.