Home / 11,264.68-16,885.30-4,239.87

Finding the Fourth Proportional to 11,264.68, 16,885.30 and 4,239.87

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Solution

The fourth proportional to 11,264.68, 16,885.30 and 4,239.87 is: 6,355.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,264.68 : 16,885.30 = 4,239.87 : x
  2. Step 2: Convert to fraction form
    11,264.68/16,885.30 = 4,239.87/x
  3. Step 3: Cross multiply
    11,264.68x = 16,885.30 × 4,239.87
  4. Step 4: Simplify right side
    11,264.68x = 71,591,476.91
  5. Step 5: Solve for x
    x = 71,591,476.91/11,264.68
  6. Step 6: Final answer
    x = 6,355.39

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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.