Home / 11,309.56-16,965.36-2,989.48

Finding the Fourth Proportional to 11,309.56, 16,965.36 and 2,989.48

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Solution

The fourth proportional to 11,309.56, 16,965.36 and 2,989.48 is: 4,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,309.56 : 16,965.36 = 2,989.48 : x
  2. Step 2: Convert to fraction form
    11,309.56/16,965.36 = 2,989.48/x
  3. Step 3: Cross multiply
    11,309.56x = 16,965.36 × 2,989.48
  4. Step 4: Simplify right side
    11,309.56x = 50,717,604.41
  5. Step 5: Solve for x
    x = 50,717,604.41/11,309.56
  6. Step 6: Final answer
    x = 4,484.49

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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.