Home / 11,581.32-15,982.26-6,276.12

Finding the Fourth Proportional to 11,581.32, 15,982.26 and 6,276.12

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Solution

The fourth proportional to 11,581.32, 15,982.26 and 6,276.12 is: 8,661.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.32 : 15,982.26 = 6,276.12 : x
  2. Step 2: Convert to fraction form
    11,581.32/15,982.26 = 6,276.12/x
  3. Step 3: Cross multiply
    11,581.32x = 15,982.26 × 6,276.12
  4. Step 4: Simplify right side
    11,581.32x = 100,306,581.63
  5. Step 5: Solve for x
    x = 100,306,581.63/11,581.32
  6. Step 6: Final answer
    x = 8,661.07

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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.