Home / 21,571.83-32,362.36-12,216.27

Finding the Fourth Proportional to 21,571.83, 32,362.36 and 12,216.27

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Solution

The fourth proportional to 21,571.83, 32,362.36 and 12,216.27 is: 18,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,571.83 : 32,362.36 = 12,216.27 : x
  2. Step 2: Convert to fraction form
    21,571.83/32,362.36 = 12,216.27/x
  3. Step 3: Cross multiply
    21,571.83x = 32,362.36 × 12,216.27
  4. Step 4: Simplify right side
    21,571.83x = 395,347,135.24
  5. Step 5: Solve for x
    x = 395,347,135.24/21,571.83
  6. Step 6: Final answer
    x = 18,327.01

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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.