Home / 19,823.94-29,734.70-8,136.86

Finding the Fourth Proportional to 19,823.94, 29,734.70 and 8,136.86

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Solution

The fourth proportional to 19,823.94, 29,734.70 and 8,136.86 is: 12,204.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,823.94 : 29,734.70 = 8,136.86 : x
  2. Step 2: Convert to fraction form
    19,823.94/29,734.70 = 8,136.86/x
  3. Step 3: Cross multiply
    19,823.94x = 29,734.70 × 8,136.86
  4. Step 4: Simplify right side
    19,823.94x = 241,946,901.68
  5. Step 5: Solve for x
    x = 241,946,901.68/19,823.94
  6. Step 6: Final answer
    x = 12,204.78

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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.