Home / 20,646.24-30,972.84-6,792

Finding the Fourth Proportional to 20,646.24, 30,972.84 and 6,792

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Solution

The fourth proportional to 20,646.24, 30,972.84 and 6,792 is: 10,189.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,646.24 : 30,972.84 = 6,792 : x
  2. Step 2: Convert to fraction form
    20,646.24/30,972.84 = 6,792/x
  3. Step 3: Cross multiply
    20,646.24x = 30,972.84 × 6,792
  4. Step 4: Simplify right side
    20,646.24x = 210,367,529.28
  5. Step 5: Solve for x
    x = 210,367,529.28/20,646.24
  6. Step 6: Final answer
    x = 10,189.14

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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.