Home / 11,329.32-16,996.40-4,751.70

Finding the Fourth Proportional to 11,329.32, 16,996.40 and 4,751.70

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Solution

The fourth proportional to 11,329.32, 16,996.40 and 4,751.70 is: 7,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,329.32 : 16,996.40 = 4,751.70 : x
  2. Step 2: Convert to fraction form
    11,329.32/16,996.40 = 4,751.70/x
  3. Step 3: Cross multiply
    11,329.32x = 16,996.40 × 4,751.70
  4. Step 4: Simplify right side
    11,329.32x = 80,761,793.88
  5. Step 5: Solve for x
    x = 80,761,793.88/11,329.32
  6. Step 6: Final answer
    x = 7,128.56

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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.