Home / 21,601.62-32,405.76-6,809.22

Finding the Fourth Proportional to 21,601.62, 32,405.76 and 6,809.22

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Solution

The fourth proportional to 21,601.62, 32,405.76 and 6,809.22 is: 10,214.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.62 : 32,405.76 = 6,809.22 : x
  2. Step 2: Convert to fraction form
    21,601.62/32,405.76 = 6,809.22/x
  3. Step 3: Cross multiply
    21,601.62x = 32,405.76 × 6,809.22
  4. Step 4: Simplify right side
    21,601.62x = 220,657,949.11
  5. Step 5: Solve for x
    x = 220,657,949.11/21,601.62
  6. Step 6: Final answer
    x = 10,214.88

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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.