Home / 21,134.24-31,701.93-6,343.15

Finding the Fourth Proportional to 21,134.24, 31,701.93 and 6,343.15

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Solution

The fourth proportional to 21,134.24, 31,701.93 and 6,343.15 is: 9,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,134.24 : 31,701.93 = 6,343.15 : x
  2. Step 2: Convert to fraction form
    21,134.24/31,701.93 = 6,343.15/x
  3. Step 3: Cross multiply
    21,134.24x = 31,701.93 × 6,343.15
  4. Step 4: Simplify right side
    21,134.24x = 201,090,245.39
  5. Step 5: Solve for x
    x = 201,090,245.39/21,134.24
  6. Step 6: Final answer
    x = 9,514.90

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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.