Home / 12,166.03-18,249.20-4,374.84

Finding the Fourth Proportional to 12,166.03, 18,249.20 and 4,374.84

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Solution

The fourth proportional to 12,166.03, 18,249.20 and 4,374.84 is: 6,562.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.03 : 18,249.20 = 4,374.84 : x
  2. Step 2: Convert to fraction form
    12,166.03/18,249.20 = 4,374.84/x
  3. Step 3: Cross multiply
    12,166.03x = 18,249.20 × 4,374.84
  4. Step 4: Simplify right side
    12,166.03x = 79,837,393.09
  5. Step 5: Solve for x
    x = 79,837,393.09/12,166.03
  6. Step 6: Final answer
    x = 6,562.32

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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.