Home / 21,806.23-32,709.35-6,223.86

Finding the Fourth Proportional to 21,806.23, 32,709.35 and 6,223.86

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Solution

The fourth proportional to 21,806.23, 32,709.35 and 6,223.86 is: 9,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806.23 : 32,709.35 = 6,223.86 : x
  2. Step 2: Convert to fraction form
    21,806.23/32,709.35 = 6,223.86/x
  3. Step 3: Cross multiply
    21,806.23x = 32,709.35 × 6,223.86
  4. Step 4: Simplify right side
    21,806.23x = 203,578,415.09
  5. Step 5: Solve for x
    x = 203,578,415.09/21,806.23
  6. Step 6: Final answer
    x = 9,335.79

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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.