Home / 21,396.84-32,096.34-6,615.87

Finding the Fourth Proportional to 21,396.84, 32,096.34 and 6,615.87

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Solution

The fourth proportional to 21,396.84, 32,096.34 and 6,615.87 is: 9,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.84 : 32,096.34 = 6,615.87 : x
  2. Step 2: Convert to fraction form
    21,396.84/32,096.34 = 6,615.87/x
  3. Step 3: Cross multiply
    21,396.84x = 32,096.34 × 6,615.87
  4. Step 4: Simplify right side
    21,396.84x = 212,345,212.92
  5. Step 5: Solve for x
    x = 212,345,212.92/21,396.84
  6. Step 6: Final answer
    x = 9,924.14

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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.