Home / 21,664.10-32,497.32-6,874.20

Finding the Fourth Proportional to 21,664.10, 32,497.32 and 6,874.20

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Solution

The fourth proportional to 21,664.10, 32,497.32 and 6,874.20 is: 10,311.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.10 : 32,497.32 = 6,874.20 : x
  2. Step 2: Convert to fraction form
    21,664.10/32,497.32 = 6,874.20/x
  3. Step 3: Cross multiply
    21,664.10x = 32,497.32 × 6,874.20
  4. Step 4: Simplify right side
    21,664.10x = 223,393,077.14
  5. Step 5: Solve for x
    x = 223,393,077.14/21,664.10
  6. Step 6: Final answer
    x = 10,311.67

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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.