Home / 10,660.02-15,990.84-5,469.54

Finding the Fourth Proportional to 10,660.02, 15,990.84 and 5,469.54

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Solution

The fourth proportional to 10,660.02, 15,990.84 and 5,469.54 is: 8,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.02 : 15,990.84 = 5,469.54 : x
  2. Step 2: Convert to fraction form
    10,660.02/15,990.84 = 5,469.54/x
  3. Step 3: Cross multiply
    10,660.02x = 15,990.84 × 5,469.54
  4. Step 4: Simplify right side
    10,660.02x = 87,462,539.01
  5. Step 5: Solve for x
    x = 87,462,539.01/10,660.02
  6. Step 6: Final answer
    x = 8,204.73

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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.