Home / 22,177.50-30,606.87-12,243.42

Finding the Fourth Proportional to 22,177.50, 30,606.87 and 12,243.42

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Solution

The fourth proportional to 22,177.50, 30,606.87 and 12,243.42 is: 16,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,177.50 : 30,606.87 = 12,243.42 : x
  2. Step 2: Convert to fraction form
    22,177.50/30,606.87 = 12,243.42/x
  3. Step 3: Cross multiply
    22,177.50x = 30,606.87 × 12,243.42
  4. Step 4: Simplify right side
    22,177.50x = 374,732,764.30
  5. Step 5: Solve for x
    x = 374,732,764.30/22,177.50
  6. Step 6: Final answer
    x = 16,896.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.