Home / 10,889.28-16,297.20-5,945.76

Finding the Fourth Proportional to 10,889.28, 16,297.20 and 5,945.76

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Solution

The fourth proportional to 10,889.28, 16,297.20 and 5,945.76 is: 8,898.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,889.28 : 16,297.20 = 5,945.76 : x
  2. Step 2: Convert to fraction form
    10,889.28/16,297.20 = 5,945.76/x
  3. Step 3: Cross multiply
    10,889.28x = 16,297.20 × 5,945.76
  4. Step 4: Simplify right side
    10,889.28x = 96,899,239.87
  5. Step 5: Solve for x
    x = 96,899,239.87/10,889.28
  6. Step 6: Final answer
    x = 8,898.59

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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.