Home / 12,650.86-18,976.80-4,752.58

Finding the Fourth Proportional to 12,650.86, 18,976.80 and 4,752.58

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Solution

The fourth proportional to 12,650.86, 18,976.80 and 4,752.58 is: 7,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,650.86 : 18,976.80 = 4,752.58 : x
  2. Step 2: Convert to fraction form
    12,650.86/18,976.80 = 4,752.58/x
  3. Step 3: Cross multiply
    12,650.86x = 18,976.80 × 4,752.58
  4. Step 4: Simplify right side
    12,650.86x = 90,188,760.14
  5. Step 5: Solve for x
    x = 90,188,760.14/12,650.86
  6. Step 6: Final answer
    x = 7,129.06

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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.