Home / 11,581.56-15,982.56-6,276.42

Finding the Fourth Proportional to 11,581.56, 15,982.56 and 6,276.42

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Solution

The fourth proportional to 11,581.56, 15,982.56 and 6,276.42 is: 8,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.56 : 15,982.56 = 6,276.42 : x
  2. Step 2: Convert to fraction form
    11,581.56/15,982.56 = 6,276.42/x
  3. Step 3: Cross multiply
    11,581.56x = 15,982.56 × 6,276.42
  4. Step 4: Simplify right side
    11,581.56x = 100,313,259.24
  5. Step 5: Solve for x
    x = 100,313,259.24/11,581.56
  6. Step 6: Final answer
    x = 8,661.46

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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.