Home / 21,294.01-31,944.45-6,499.47

Finding the Fourth Proportional to 21,294.01, 31,944.45 and 6,499.47

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Solution

The fourth proportional to 21,294.01, 31,944.45 and 6,499.47 is: 9,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,294.01 : 31,944.45 = 6,499.47 : x
  2. Step 2: Convert to fraction form
    21,294.01/31,944.45 = 6,499.47/x
  3. Step 3: Cross multiply
    21,294.01x = 31,944.45 × 6,499.47
  4. Step 4: Simplify right side
    21,294.01x = 207,621,850.80
  5. Step 5: Solve for x
    x = 207,621,850.80/21,294.01
  6. Step 6: Final answer
    x = 9,750.24

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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.