Home / 11,108.52-15,329.78-6,072.80

Finding the Fourth Proportional to 11,108.52, 15,329.78 and 6,072.80

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Solution

The fourth proportional to 11,108.52, 15,329.78 and 6,072.80 is: 8,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.52 : 15,329.78 = 6,072.80 : x
  2. Step 2: Convert to fraction form
    11,108.52/15,329.78 = 6,072.80/x
  3. Step 3: Cross multiply
    11,108.52x = 15,329.78 × 6,072.80
  4. Step 4: Simplify right side
    11,108.52x = 93,094,611.34
  5. Step 5: Solve for x
    x = 93,094,611.34/11,108.52
  6. Step 6: Final answer
    x = 8,380.47

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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.