Home / 20,283.92-30,429.24-6,436.24

Finding the Fourth Proportional to 20,283.92, 30,429.24 and 6,436.24

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Solution

The fourth proportional to 20,283.92, 30,429.24 and 6,436.24 is: 9,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.92 : 30,429.24 = 6,436.24 : x
  2. Step 2: Convert to fraction form
    20,283.92/30,429.24 = 6,436.24/x
  3. Step 3: Cross multiply
    20,283.92x = 30,429.24 × 6,436.24
  4. Step 4: Simplify right side
    20,283.92x = 195,849,891.66
  5. Step 5: Solve for x
    x = 195,849,891.66/20,283.92
  6. Step 6: Final answer
    x = 9,655.43

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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.