Home / 9,165.18-13,742.36-3,613.98

Finding the Fourth Proportional to 9,165.18, 13,742.36 and 3,613.98

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Solution

The fourth proportional to 9,165.18, 13,742.36 and 3,613.98 is: 5,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165.18 : 13,742.36 = 3,613.98 : x
  2. Step 2: Convert to fraction form
    9,165.18/13,742.36 = 3,613.98/x
  3. Step 3: Cross multiply
    9,165.18x = 13,742.36 × 3,613.98
  4. Step 4: Simplify right side
    9,165.18x = 49,664,614.19
  5. Step 5: Solve for x
    x = 49,664,614.19/9,165.18
  6. Step 6: Final answer
    x = 5,418.84

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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.