Home / 19,141.12-28,712.12-5,993.89

Finding the Fourth Proportional to 19,141.12, 28,712.12 and 5,993.89

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Solution

The fourth proportional to 19,141.12, 28,712.12 and 5,993.89 is: 8,990.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.12 : 28,712.12 = 5,993.89 : x
  2. Step 2: Convert to fraction form
    19,141.12/28,712.12 = 5,993.89/x
  3. Step 3: Cross multiply
    19,141.12x = 28,712.12 × 5,993.89
  4. Step 4: Simplify right side
    19,141.12x = 172,097,288.95
  5. Step 5: Solve for x
    x = 172,097,288.95/19,141.12
  6. Step 6: Final answer
    x = 8,990.97

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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.