Home / 11,011.31-15,195.62-5,975.53

Finding the Fourth Proportional to 11,011.31, 15,195.62 and 5,975.53

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Solution

The fourth proportional to 11,011.31, 15,195.62 and 5,975.53 is: 8,246.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.31 : 15,195.62 = 5,975.53 : x
  2. Step 2: Convert to fraction form
    11,011.31/15,195.62 = 5,975.53/x
  3. Step 3: Cross multiply
    11,011.31x = 15,195.62 × 5,975.53
  4. Step 4: Simplify right side
    11,011.31x = 90,801,976.35
  5. Step 5: Solve for x
    x = 90,801,976.35/11,011.31
  6. Step 6: Final answer
    x = 8,246.24

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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.