Home / 9,581.82-13,215.41-6,225.71

Finding the Fourth Proportional to 9,581.82, 13,215.41 and 6,225.71

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Solution

The fourth proportional to 9,581.82, 13,215.41 and 6,225.71 is: 8,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.82 : 13,215.41 = 6,225.71 : x
  2. Step 2: Convert to fraction form
    9,581.82/13,215.41 = 6,225.71/x
  3. Step 3: Cross multiply
    9,581.82x = 13,215.41 × 6,225.71
  4. Step 4: Simplify right side
    9,581.82x = 82,275,310.19
  5. Step 5: Solve for x
    x = 82,275,310.19/9,581.82
  6. Step 6: Final answer
    x = 8,586.61

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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.