Home / 19,882.20-29,821.58-6,734.28

Finding the Fourth Proportional to 19,882.20, 29,821.58 and 6,734.28

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Solution

The fourth proportional to 19,882.20, 29,821.58 and 6,734.28 is: 10,100.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.20 : 29,821.58 = 6,734.28 : x
  2. Step 2: Convert to fraction form
    19,882.20/29,821.58 = 6,734.28/x
  3. Step 3: Cross multiply
    19,882.20x = 29,821.58 × 6,734.28
  4. Step 4: Simplify right side
    19,882.20x = 200,826,869.76
  5. Step 5: Solve for x
    x = 200,826,869.76/19,882.20
  6. Step 6: Final answer
    x = 10,100.84

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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.