Home / 9,421.68-14,121.18-3,867.51

Finding the Fourth Proportional to 9,421.68, 14,121.18 and 3,867.51

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Solution

The fourth proportional to 9,421.68, 14,121.18 and 3,867.51 is: 5,796.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.68 : 14,121.18 = 3,867.51 : x
  2. Step 2: Convert to fraction form
    9,421.68/14,121.18 = 3,867.51/x
  3. Step 3: Cross multiply
    9,421.68x = 14,121.18 × 3,867.51
  4. Step 4: Simplify right side
    9,421.68x = 54,613,804.86
  5. Step 5: Solve for x
    x = 54,613,804.86/9,421.68
  6. Step 6: Final answer
    x = 5,796.61

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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.