Home / 11,011.68-15,195.99-5,975.86

Finding the Fourth Proportional to 11,011.68, 15,195.99 and 5,975.86

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Solution

The fourth proportional to 11,011.68, 15,195.99 and 5,975.86 is: 8,246.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.68 : 15,195.99 = 5,975.86 : x
  2. Step 2: Convert to fraction form
    11,011.68/15,195.99 = 5,975.86/x
  3. Step 3: Cross multiply
    11,011.68x = 15,195.99 × 5,975.86
  4. Step 4: Simplify right side
    11,011.68x = 90,809,108.80
  5. Step 5: Solve for x
    x = 90,809,108.80/11,011.68
  6. Step 6: Final answer
    x = 8,246.62

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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.