Home / 25,136.70-37,705.94-12,649.92

Finding the Fourth Proportional to 25,136.70, 37,705.94 and 12,649.92

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Solution

The fourth proportional to 25,136.70, 37,705.94 and 12,649.92 is: 18,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,136.70 : 37,705.94 = 12,649.92 : x
  2. Step 2: Convert to fraction form
    25,136.70/37,705.94 = 12,649.92/x
  3. Step 3: Cross multiply
    25,136.70x = 37,705.94 × 12,649.92
  4. Step 4: Simplify right side
    25,136.70x = 476,977,124.52
  5. Step 5: Solve for x
    x = 476,977,124.52/25,136.70
  6. Step 6: Final answer
    x = 18,975.33

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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.