Home / 10,136.92-15,205.27-3,211.42

Finding the Fourth Proportional to 10,136.92, 15,205.27 and 3,211.42

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Solution

The fourth proportional to 10,136.92, 15,205.27 and 3,211.42 is: 4,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136.92 : 15,205.27 = 3,211.42 : x
  2. Step 2: Convert to fraction form
    10,136.92/15,205.27 = 3,211.42/x
  3. Step 3: Cross multiply
    10,136.92x = 15,205.27 × 3,211.42
  4. Step 4: Simplify right side
    10,136.92x = 48,830,508.18
  5. Step 5: Solve for x
    x = 48,830,508.18/10,136.92
  6. Step 6: Final answer
    x = 4,817.10

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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.