Home / 10,664.20-15,997.02-6,763.24

Finding the Fourth Proportional to 10,664.20, 15,997.02 and 6,763.24

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Solution

The fourth proportional to 10,664.20, 15,997.02 and 6,763.24 is: 10,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.20 : 15,997.02 = 6,763.24 : x
  2. Step 2: Convert to fraction form
    10,664.20/15,997.02 = 6,763.24/x
  3. Step 3: Cross multiply
    10,664.20x = 15,997.02 × 6,763.24
  4. Step 4: Simplify right side
    10,664.20x = 108,191,685.54
  5. Step 5: Solve for x
    x = 108,191,685.54/10,664.20
  6. Step 6: Final answer
    x = 10,145.32

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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.