Home / 21,263.19-31,882.64-6,467.73

Finding the Fourth Proportional to 21,263.19, 31,882.64 and 6,467.73

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Solution

The fourth proportional to 21,263.19, 31,882.64 and 6,467.73 is: 9,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.19 : 31,882.64 = 6,467.73 : x
  2. Step 2: Convert to fraction form
    21,263.19/31,882.64 = 6,467.73/x
  3. Step 3: Cross multiply
    21,263.19x = 31,882.64 × 6,467.73
  4. Step 4: Simplify right side
    21,263.19x = 206,208,274.87
  5. Step 5: Solve for x
    x = 206,208,274.87/21,263.19
  6. Step 6: Final answer
    x = 9,697.90

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1.5x scale

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.