Home / 19,057.90-28,589.13-7,213.54

Finding the Fourth Proportional to 19,057.90, 28,589.13 and 7,213.54

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Solution

The fourth proportional to 19,057.90, 28,589.13 and 7,213.54 is: 10,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,057.90 : 28,589.13 = 7,213.54 : x
  2. Step 2: Convert to fraction form
    19,057.90/28,589.13 = 7,213.54/x
  3. Step 3: Cross multiply
    19,057.90x = 28,589.13 × 7,213.54
  4. Step 4: Simplify right side
    19,057.90x = 206,228,832.82
  5. Step 5: Solve for x
    x = 206,228,832.82/19,057.90
  6. Step 6: Final answer
    x = 10,821.17

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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.