Home / 12,124.44-16,733.34-8,989.56

Finding the Fourth Proportional to 12,124.44, 16,733.34 and 8,989.56

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Solution

The fourth proportional to 12,124.44, 16,733.34 and 8,989.56 is: 12,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.44 : 16,733.34 = 8,989.56 : x
  2. Step 2: Convert to fraction form
    12,124.44/16,733.34 = 8,989.56/x
  3. Step 3: Cross multiply
    12,124.44x = 16,733.34 × 8,989.56
  4. Step 4: Simplify right side
    12,124.44x = 150,425,363.93
  5. Step 5: Solve for x
    x = 150,425,363.93/12,124.44
  6. Step 6: Final answer
    x = 12,406.79

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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.