Home / 19,136.90-28,710.84-8,037.88

Finding the Fourth Proportional to 19,136.90, 28,710.84 and 8,037.88

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Solution

The fourth proportional to 19,136.90, 28,710.84 and 8,037.88 is: 12,059.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.90 : 28,710.84 = 8,037.88 : x
  2. Step 2: Convert to fraction form
    19,136.90/28,710.84 = 8,037.88/x
  3. Step 3: Cross multiply
    19,136.90x = 28,710.84 × 8,037.88
  4. Step 4: Simplify right side
    19,136.90x = 230,774,286.62
  5. Step 5: Solve for x
    x = 230,774,286.62/19,136.90
  6. Step 6: Final answer
    x = 12,059.13

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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.