Home / 12,777.35-19,136.25-12,333.97

Finding the Fourth Proportional to 12,777.35, 19,136.25 and 12,333.97

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Solution

The fourth proportional to 12,777.35, 19,136.25 and 12,333.97 is: 18,472.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.35 : 19,136.25 = 12,333.97 : x
  2. Step 2: Convert to fraction form
    12,777.35/19,136.25 = 12,333.97/x
  3. Step 3: Cross multiply
    12,777.35x = 19,136.25 × 12,333.97
  4. Step 4: Simplify right side
    12,777.35x = 236,025,957.33
  5. Step 5: Solve for x
    x = 236,025,957.33/12,777.35
  6. Step 6: Final answer
    x = 18,472.22

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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.