Home / 15,566.42-21,481.72-8,493

Finding the Fourth Proportional to 15,566.42, 21,481.72 and 8,493

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Solution

The fourth proportional to 15,566.42, 21,481.72 and 8,493 is: 11,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,566.42 : 21,481.72 = 8,493 : x
  2. Step 2: Convert to fraction form
    15,566.42/21,481.72 = 8,493/x
  3. Step 3: Cross multiply
    15,566.42x = 21,481.72 × 8,493
  4. Step 4: Simplify right side
    15,566.42x = 182,444,247.96
  5. Step 5: Solve for x
    x = 182,444,247.96/15,566.42
  6. Step 6: Final answer
    x = 11,720.37

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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.