Home / 15,576.21-21,494.84-8,502.75

Finding the Fourth Proportional to 15,576.21, 21,494.84 and 8,502.75

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Solution

The fourth proportional to 15,576.21, 21,494.84 and 8,502.75 is: 11,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,576.21 : 21,494.84 = 8,502.75 : x
  2. Step 2: Convert to fraction form
    15,576.21/21,494.84 = 8,502.75/x
  3. Step 3: Cross multiply
    15,576.21x = 21,494.84 × 8,502.75
  4. Step 4: Simplify right side
    15,576.21x = 182,765,208.30
  5. Step 5: Solve for x
    x = 182,765,208.30/15,576.21
  6. Step 6: Final answer
    x = 11,733.61

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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.