Home / 10,820.75-16,231.14-4,664.75

Finding the Fourth Proportional to 10,820.75, 16,231.14 and 4,664.75

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Solution

The fourth proportional to 10,820.75, 16,231.14 and 4,664.75 is: 6,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.75 : 16,231.14 = 4,664.75 : x
  2. Step 2: Convert to fraction form
    10,820.75/16,231.14 = 4,664.75/x
  3. Step 3: Cross multiply
    10,820.75x = 16,231.14 × 4,664.75
  4. Step 4: Simplify right side
    10,820.75x = 75,714,210.32
  5. Step 5: Solve for x
    x = 75,714,210.32/10,820.75
  6. Step 6: Final answer
    x = 6,997.13

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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.