Home / 21,222.86-31,835.93-6,433.02

Finding the Fourth Proportional to 21,222.86, 31,835.93 and 6,433.02

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Solution

The fourth proportional to 21,222.86, 31,835.93 and 6,433.02 is: 9,650.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,222.86 : 31,835.93 = 6,433.02 : x
  2. Step 2: Convert to fraction form
    21,222.86/31,835.93 = 6,433.02/x
  3. Step 3: Cross multiply
    21,222.86x = 31,835.93 × 6,433.02
  4. Step 4: Simplify right side
    21,222.86x = 204,801,142.24
  5. Step 5: Solve for x
    x = 204,801,142.24/21,222.86
  6. Step 6: Final answer
    x = 9,650.03

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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.