Home / 14,136.10-21,204.15-11,511.70

Finding the Fourth Proportional to 14,136.10, 21,204.15 and 11,511.70

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Solution

The fourth proportional to 14,136.10, 21,204.15 and 11,511.70 is: 17,267.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.10 : 21,204.15 = 11,511.70 : x
  2. Step 2: Convert to fraction form
    14,136.10/21,204.15 = 11,511.70/x
  3. Step 3: Cross multiply
    14,136.10x = 21,204.15 × 11,511.70
  4. Step 4: Simplify right side
    14,136.10x = 244,095,813.56
  5. Step 5: Solve for x
    x = 244,095,813.56/14,136.10
  6. Step 6: Final answer
    x = 17,267.55

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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.