Home / 11,270.94-16,909.14-3,875.48

Finding the Fourth Proportional to 11,270.94, 16,909.14 and 3,875.48

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Solution

The fourth proportional to 11,270.94, 16,909.14 and 3,875.48 is: 5,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.94 : 16,909.14 = 3,875.48 : x
  2. Step 2: Convert to fraction form
    11,270.94/16,909.14 = 3,875.48/x
  3. Step 3: Cross multiply
    11,270.94x = 16,909.14 × 3,875.48
  4. Step 4: Simplify right side
    11,270.94x = 65,531,033.89
  5. Step 5: Solve for x
    x = 65,531,033.89/11,270.94
  6. Step 6: Final answer
    x = 5,814.16

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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.