Home / 12,064.20-18,098.73-4,278.48

Finding the Fourth Proportional to 12,064.20, 18,098.73 and 4,278.48

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Solution

The fourth proportional to 12,064.20, 18,098.73 and 4,278.48 is: 6,418.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,064.20 : 18,098.73 = 4,278.48 : x
  2. Step 2: Convert to fraction form
    12,064.20/18,098.73 = 4,278.48/x
  3. Step 3: Cross multiply
    12,064.20x = 18,098.73 × 4,278.48
  4. Step 4: Simplify right side
    12,064.20x = 77,435,054.33
  5. Step 5: Solve for x
    x = 77,435,054.33/12,064.20
  6. Step 6: Final answer
    x = 6,418.58

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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.