Home / 21,380.84-32,072.34-6,599.87

Finding the Fourth Proportional to 21,380.84, 32,072.34 and 6,599.87

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Solution

The fourth proportional to 21,380.84, 32,072.34 and 6,599.87 is: 9,900.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,380.84 : 32,072.34 = 6,599.87 : x
  2. Step 2: Convert to fraction form
    21,380.84/32,072.34 = 6,599.87/x
  3. Step 3: Cross multiply
    21,380.84x = 32,072.34 × 6,599.87
  4. Step 4: Simplify right side
    21,380.84x = 211,673,274.60
  5. Step 5: Solve for x
    x = 211,673,274.60/21,380.84
  6. Step 6: Final answer
    x = 9,900.14

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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.