Home / 15,322.83-22,972.54-7,922.56

Finding the Fourth Proportional to 15,322.83, 22,972.54 and 7,922.56

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Solution

The fourth proportional to 15,322.83, 22,972.54 and 7,922.56 is: 11,877.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322.83 : 22,972.54 = 7,922.56 : x
  2. Step 2: Convert to fraction form
    15,322.83/22,972.54 = 7,922.56/x
  3. Step 3: Cross multiply
    15,322.83x = 22,972.54 × 7,922.56
  4. Step 4: Simplify right side
    15,322.83x = 182,001,326.50
  5. Step 5: Solve for x
    x = 182,001,326.50/15,322.83
  6. Step 6: Final answer
    x = 11,877.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.