Home / 11,581.94-15,983.06-6,276.72

Finding the Fourth Proportional to 11,581.94, 15,983.06 and 6,276.72

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Solution

The fourth proportional to 11,581.94, 15,983.06 and 6,276.72 is: 8,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.94 : 15,983.06 = 6,276.72 : x
  2. Step 2: Convert to fraction form
    11,581.94/15,983.06 = 6,276.72/x
  3. Step 3: Cross multiply
    11,581.94x = 15,983.06 × 6,276.72
  4. Step 4: Simplify right side
    11,581.94x = 100,321,192.36
  5. Step 5: Solve for x
    x = 100,321,192.36/11,581.94
  6. Step 6: Final answer
    x = 8,661.86

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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.