Home / 11,172.37-16,760.85-3,275.14

Finding the Fourth Proportional to 11,172.37, 16,760.85 and 3,275.14

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Solution

The fourth proportional to 11,172.37, 16,760.85 and 3,275.14 is: 4,913.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.37 : 16,760.85 = 3,275.14 : x
  2. Step 2: Convert to fraction form
    11,172.37/16,760.85 = 3,275.14/x
  3. Step 3: Cross multiply
    11,172.37x = 16,760.85 × 3,275.14
  4. Step 4: Simplify right side
    11,172.37x = 54,894,088.37
  5. Step 5: Solve for x
    x = 54,894,088.37/11,172.37
  6. Step 6: Final answer
    x = 4,913.38

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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.