Home / 21,250.00-31,874.80-7,922.54

Finding the Fourth Proportional to 21,250.00, 31,874.80 and 7,922.54

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Solution

The fourth proportional to 21,250.00, 31,874.80 and 7,922.54 is: 11,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.00 : 31,874.80 = 7,922.54 : x
  2. Step 2: Convert to fraction form
    21,250.00/31,874.80 = 7,922.54/x
  3. Step 3: Cross multiply
    21,250.00x = 31,874.80 × 7,922.54
  4. Step 4: Simplify right side
    21,250.00x = 252,529,362.91
  5. Step 5: Solve for x
    x = 252,529,362.91/21,250.00
  6. Step 6: Final answer
    x = 11,883.74

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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.