Home / 11,270.66-16,906.38-3,875.06

Finding the Fourth Proportional to 11,270.66, 16,906.38 and 3,875.06

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Solution

The fourth proportional to 11,270.66, 16,906.38 and 3,875.06 is: 5,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.66 : 16,906.38 = 3,875.06 : x
  2. Step 2: Convert to fraction form
    11,270.66/16,906.38 = 3,875.06/x
  3. Step 3: Cross multiply
    11,270.66x = 16,906.38 × 3,875.06
  4. Step 4: Simplify right side
    11,270.66x = 65,513,152.35
  5. Step 5: Solve for x
    x = 65,513,152.35/11,270.66
  6. Step 6: Final answer
    x = 5,812.72

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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.