Home / 15,127.52-22,662.66-8,558.44

Finding the Fourth Proportional to 15,127.52, 22,662.66 and 8,558.44

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Solution

The fourth proportional to 15,127.52, 22,662.66 and 8,558.44 is: 12,821.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,127.52 : 22,662.66 = 8,558.44 : x
  2. Step 2: Convert to fraction form
    15,127.52/22,662.66 = 8,558.44/x
  3. Step 3: Cross multiply
    15,127.52x = 22,662.66 × 8,558.44
  4. Step 4: Simplify right side
    15,127.52x = 193,957,015.85
  5. Step 5: Solve for x
    x = 193,957,015.85/15,127.52
  6. Step 6: Final answer
    x = 12,821.47

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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.