Home / 15,651.24-21,598.62-8,577.96

Finding the Fourth Proportional to 15,651.24, 21,598.62 and 8,577.96

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Solution

The fourth proportional to 15,651.24, 21,598.62 and 8,577.96 is: 11,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.24 : 21,598.62 = 8,577.96 : x
  2. Step 2: Convert to fraction form
    15,651.24/21,598.62 = 8,577.96/x
  3. Step 3: Cross multiply
    15,651.24x = 21,598.62 × 8,577.96
  4. Step 4: Simplify right side
    15,651.24x = 185,272,098.42
  5. Step 5: Solve for x
    x = 185,272,098.42/15,651.24
  6. Step 6: Final answer
    x = 11,837.53

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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.