Home / 11,581.56-15,982.44-6,276.36

Finding the Fourth Proportional to 11,581.56, 15,982.44 and 6,276.36

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Solution

The fourth proportional to 11,581.56, 15,982.44 and 6,276.36 is: 8,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.56 : 15,982.44 = 6,276.36 : x
  2. Step 2: Convert to fraction form
    11,581.56/15,982.44 = 6,276.36/x
  3. Step 3: Cross multiply
    11,581.56x = 15,982.44 × 6,276.36
  4. Step 4: Simplify right side
    11,581.56x = 100,311,547.12
  5. Step 5: Solve for x
    x = 100,311,547.12/11,581.56
  6. Step 6: Final answer
    x = 8,661.32

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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.