Home / 19,020.91-28,525.78-7,166.13

Finding the Fourth Proportional to 19,020.91, 28,525.78 and 7,166.13

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Solution

The fourth proportional to 19,020.91, 28,525.78 and 7,166.13 is: 10,747.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.91 : 28,525.78 = 7,166.13 : x
  2. Step 2: Convert to fraction form
    19,020.91/28,525.78 = 7,166.13/x
  3. Step 3: Cross multiply
    19,020.91x = 28,525.78 × 7,166.13
  4. Step 4: Simplify right side
    19,020.91x = 204,419,305.20
  5. Step 5: Solve for x
    x = 204,419,305.20/19,020.91
  6. Step 6: Final answer
    x = 10,747.08

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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.