Home / 21,900.38-32,851.17-6,318

Finding the Fourth Proportional to 21,900.38, 32,851.17 and 6,318

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Solution

The fourth proportional to 21,900.38, 32,851.17 and 6,318 is: 9,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900.38 : 32,851.17 = 6,318 : x
  2. Step 2: Convert to fraction form
    21,900.38/32,851.17 = 6,318/x
  3. Step 3: Cross multiply
    21,900.38x = 32,851.17 × 6,318
  4. Step 4: Simplify right side
    21,900.38x = 207,553,692.06
  5. Step 5: Solve for x
    x = 207,553,692.06/21,900.38
  6. Step 6: Final answer
    x = 9,477.18

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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.