Home / 10,681.11-16,016.41-6,239.89

Finding the Fourth Proportional to 10,681.11, 16,016.41 and 6,239.89

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Solution

The fourth proportional to 10,681.11, 16,016.41 and 6,239.89 is: 9,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.11 : 16,016.41 = 6,239.89 : x
  2. Step 2: Convert to fraction form
    10,681.11/16,016.41 = 6,239.89/x
  3. Step 3: Cross multiply
    10,681.11x = 16,016.41 × 6,239.89
  4. Step 4: Simplify right side
    10,681.11x = 99,940,636.59
  5. Step 5: Solve for x
    x = 99,940,636.59/10,681.11
  6. Step 6: Final answer
    x = 9,356.77

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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.