Home / 14,346.86-21,521.53-3,958.61

Finding the Fourth Proportional to 14,346.86, 21,521.53 and 3,958.61

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Solution

The fourth proportional to 14,346.86, 21,521.53 and 3,958.61 is: 5,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.86 : 21,521.53 = 3,958.61 : x
  2. Step 2: Convert to fraction form
    14,346.86/21,521.53 = 3,958.61/x
  3. Step 3: Cross multiply
    14,346.86x = 21,521.53 × 3,958.61
  4. Step 4: Simplify right side
    14,346.86x = 85,195,343.87
  5. Step 5: Solve for x
    x = 85,195,343.87/14,346.86
  6. Step 6: Final answer
    x = 5,938.26

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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.