Home / 21,945.47-32,921.45-6,361.07

Finding the Fourth Proportional to 21,945.47, 32,921.45 and 6,361.07

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Solution

The fourth proportional to 21,945.47, 32,921.45 and 6,361.07 is: 9,542.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945.47 : 32,921.45 = 6,361.07 : x
  2. Step 2: Convert to fraction form
    21,945.47/32,921.45 = 6,361.07/x
  3. Step 3: Cross multiply
    21,945.47x = 32,921.45 × 6,361.07
  4. Step 4: Simplify right side
    21,945.47x = 209,415,451.54
  5. Step 5: Solve for x
    x = 209,415,451.54/21,945.47
  6. Step 6: Final answer
    x = 9,542.54

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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.