Home / 19,143.80-28,715.69-5,997.19

Finding the Fourth Proportional to 19,143.80, 28,715.69 and 5,997.19

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Solution

The fourth proportional to 19,143.80, 28,715.69 and 5,997.19 is: 8,995.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,143.80 : 28,715.69 = 5,997.19 : x
  2. Step 2: Convert to fraction form
    19,143.80/28,715.69 = 5,997.19/x
  3. Step 3: Cross multiply
    19,143.80x = 28,715.69 × 5,997.19
  4. Step 4: Simplify right side
    19,143.80x = 172,213,347.14
  5. Step 5: Solve for x
    x = 172,213,347.14/19,143.80
  6. Step 6: Final answer
    x = 8,995.78

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Similar ratio
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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.