Home / 10,664.84-16,002.12-5,474.36

Finding the Fourth Proportional to 10,664.84, 16,002.12 and 5,474.36

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Solution

The fourth proportional to 10,664.84, 16,002.12 and 5,474.36 is: 8,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664.84 : 16,002.12 = 5,474.36 : x
  2. Step 2: Convert to fraction form
    10,664.84/16,002.12 = 5,474.36/x
  3. Step 3: Cross multiply
    10,664.84x = 16,002.12 × 5,474.36
  4. Step 4: Simplify right side
    10,664.84x = 87,601,365.64
  5. Step 5: Solve for x
    x = 87,601,365.64/10,664.84
  6. Step 6: Final answer
    x = 8,214.03

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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.