Home / 11,319.92-15,619.80-6,350.96

Finding the Fourth Proportional to 11,319.92, 15,619.80 and 6,350.96

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Solution

The fourth proportional to 11,319.92, 15,619.80 and 6,350.96 is: 8,763.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.92 : 15,619.80 = 6,350.96 : x
  2. Step 2: Convert to fraction form
    11,319.92/15,619.80 = 6,350.96/x
  3. Step 3: Cross multiply
    11,319.92x = 15,619.80 × 6,350.96
  4. Step 4: Simplify right side
    11,319.92x = 99,200,725.01
  5. Step 5: Solve for x
    x = 99,200,725.01/11,319.92
  6. Step 6: Final answer
    x = 8,763.38

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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.