Home / 10,837.78-16,241.06-6,384.94

Finding the Fourth Proportional to 10,837.78, 16,241.06 and 6,384.94

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Solution

The fourth proportional to 10,837.78, 16,241.06 and 6,384.94 is: 9,568.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.78 : 16,241.06 = 6,384.94 : x
  2. Step 2: Convert to fraction form
    10,837.78/16,241.06 = 6,384.94/x
  3. Step 3: Cross multiply
    10,837.78x = 16,241.06 × 6,384.94
  4. Step 4: Simplify right side
    10,837.78x = 103,698,169.00
  5. Step 5: Solve for x
    x = 103,698,169.00/10,837.78
  6. Step 6: Final answer
    x = 9,568.21

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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.