Home / 11,031.72-15,224.10-6,785.27

Finding the Fourth Proportional to 11,031.72, 15,224.10 and 6,785.27

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Solution

The fourth proportional to 11,031.72, 15,224.10 and 6,785.27 is: 9,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.72 : 15,224.10 = 6,785.27 : x
  2. Step 2: Convert to fraction form
    11,031.72/15,224.10 = 6,785.27/x
  3. Step 3: Cross multiply
    11,031.72x = 15,224.10 × 6,785.27
  4. Step 4: Simplify right side
    11,031.72x = 103,299,584.53
  5. Step 5: Solve for x
    x = 103,299,584.53/11,031.72
  6. Step 6: Final answer
    x = 9,363.87

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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.