Home / 12,029.86-18,036.57-6,408.37

Finding the Fourth Proportional to 12,029.86, 18,036.57 and 6,408.37

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Solution

The fourth proportional to 12,029.86, 18,036.57 and 6,408.37 is: 9,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.86 : 18,036.57 = 6,408.37 : x
  2. Step 2: Convert to fraction form
    12,029.86/18,036.57 = 6,408.37/x
  3. Step 3: Cross multiply
    12,029.86x = 18,036.57 × 6,408.37
  4. Step 4: Simplify right side
    12,029.86x = 115,584,923.91
  5. Step 5: Solve for x
    x = 115,584,923.91/12,029.86
  6. Step 6: Final answer
    x = 9,608.17

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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.