Home / 10,028.20-15,042.30-4,834.60

Finding the Fourth Proportional to 10,028.20, 15,042.30 and 4,834.60

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Solution

The fourth proportional to 10,028.20, 15,042.30 and 4,834.60 is: 7,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,028.20 : 15,042.30 = 4,834.60 : x
  2. Step 2: Convert to fraction form
    10,028.20/15,042.30 = 4,834.60/x
  3. Step 3: Cross multiply
    10,028.20x = 15,042.30 × 4,834.60
  4. Step 4: Simplify right side
    10,028.20x = 72,723,503.58
  5. Step 5: Solve for x
    x = 72,723,503.58/10,028.20
  6. Step 6: Final answer
    x = 7,251.90

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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.