Home / 11,276.69-16,918.08-3,881.30

Finding the Fourth Proportional to 11,276.69, 16,918.08 and 3,881.30

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Solution

The fourth proportional to 11,276.69, 16,918.08 and 3,881.30 is: 5,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.69 : 16,918.08 = 3,881.30 : x
  2. Step 2: Convert to fraction form
    11,276.69/16,918.08 = 3,881.30/x
  3. Step 3: Cross multiply
    11,276.69x = 16,918.08 × 3,881.30
  4. Step 4: Simplify right side
    11,276.69x = 65,664,143.90
  5. Step 5: Solve for x
    x = 65,664,143.90/11,276.69
  6. Step 6: Final answer
    x = 5,823.00

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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.