Home / 19,288.98-28,936.17-6,136.86

Finding the Fourth Proportional to 19,288.98, 28,936.17 and 6,136.86

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Solution

The fourth proportional to 19,288.98, 28,936.17 and 6,136.86 is: 9,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,288.98 : 28,936.17 = 6,136.86 : x
  2. Step 2: Convert to fraction form
    19,288.98/28,936.17 = 6,136.86/x
  3. Step 3: Cross multiply
    19,288.98x = 28,936.17 × 6,136.86
  4. Step 4: Simplify right side
    19,288.98x = 177,577,224.23
  5. Step 5: Solve for x
    x = 177,577,224.23/19,288.98
  6. Step 6: Final answer
    x = 9,206.15

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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.