Home / 11,271.29-16,908.60-3,478.28

Finding the Fourth Proportional to 11,271.29, 16,908.60 and 3,478.28

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Solution

The fourth proportional to 11,271.29, 16,908.60 and 3,478.28 is: 5,217.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,271.29 : 16,908.60 = 3,478.28 : x
  2. Step 2: Convert to fraction form
    11,271.29/16,908.60 = 3,478.28/x
  3. Step 3: Cross multiply
    11,271.29x = 16,908.60 × 3,478.28
  4. Step 4: Simplify right side
    11,271.29x = 58,812,845.21
  5. Step 5: Solve for x
    x = 58,812,845.21/11,271.29
  6. Step 6: Final answer
    x = 5,217.93

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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.