Home / 9,418.12-14,114.70-4,149.64

Finding the Fourth Proportional to 9,418.12, 14,114.70 and 4,149.64

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Solution

The fourth proportional to 9,418.12, 14,114.70 and 4,149.64 is: 6,218.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.12 : 14,114.70 = 4,149.64 : x
  2. Step 2: Convert to fraction form
    9,418.12/14,114.70 = 4,149.64/x
  3. Step 3: Cross multiply
    9,418.12x = 14,114.70 × 4,149.64
  4. Step 4: Simplify right side
    9,418.12x = 58,570,923.71
  5. Step 5: Solve for x
    x = 58,570,923.71/9,418.12
  6. Step 6: Final answer
    x = 6,218.96

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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.