Home / 11,240.68-15,511.88-6,204.72

Finding the Fourth Proportional to 11,240.68, 15,511.88 and 6,204.72

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Solution

The fourth proportional to 11,240.68, 15,511.88 and 6,204.72 is: 8,562.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,240.68 : 15,511.88 = 6,204.72 : x
  2. Step 2: Convert to fraction form
    11,240.68/15,511.88 = 6,204.72/x
  3. Step 3: Cross multiply
    11,240.68x = 15,511.88 × 6,204.72
  4. Step 4: Simplify right side
    11,240.68x = 96,246,872.07
  5. Step 5: Solve for x
    x = 96,246,872.07/11,240.68
  6. Step 6: Final answer
    x = 8,562.37

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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.