Home / 15,449.88-23,154.54-8,789.44

Finding the Fourth Proportional to 15,449.88, 23,154.54 and 8,789.44

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Solution

The fourth proportional to 15,449.88, 23,154.54 and 8,789.44 is: 13,172.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,449.88 : 23,154.54 = 8,789.44 : x
  2. Step 2: Convert to fraction form
    15,449.88/23,154.54 = 8,789.44/x
  3. Step 3: Cross multiply
    15,449.88x = 23,154.54 × 8,789.44
  4. Step 4: Simplify right side
    15,449.88x = 203,515,440.06
  5. Step 5: Solve for x
    x = 203,515,440.06/15,449.88
  6. Step 6: Final answer
    x = 13,172.62

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1.5x scale

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.