Home / 11,312.69-16,974.68-5,077.16

Finding the Fourth Proportional to 11,312.69, 16,974.68 and 5,077.16

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Solution

The fourth proportional to 11,312.69, 16,974.68 and 5,077.16 is: 7,618.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.69 : 16,974.68 = 5,077.16 : x
  2. Step 2: Convert to fraction form
    11,312.69/16,974.68 = 5,077.16/x
  3. Step 3: Cross multiply
    11,312.69x = 16,974.68 × 5,077.16
  4. Step 4: Simplify right side
    11,312.69x = 86,183,056.05
  5. Step 5: Solve for x
    x = 86,183,056.05/11,312.69
  6. Step 6: Final answer
    x = 7,618.27

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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.