Home / 10,681.73-16,018.53-4,268.36

Finding the Fourth Proportional to 10,681.73, 16,018.53 and 4,268.36

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Solution

The fourth proportional to 10,681.73, 16,018.53 and 4,268.36 is: 6,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,681.73 : 16,018.53 = 4,268.36 : x
  2. Step 2: Convert to fraction form
    10,681.73/16,018.53 = 4,268.36/x
  3. Step 3: Cross multiply
    10,681.73x = 16,018.53 × 4,268.36
  4. Step 4: Simplify right side
    10,681.73x = 68,372,772.62
  5. Step 5: Solve for x
    x = 68,372,772.62/10,681.73
  6. Step 6: Final answer
    x = 6,400.91

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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.