Home / 11,389.15-17,086.07-4,815.37

Finding the Fourth Proportional to 11,389.15, 17,086.07 and 4,815.37

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Solution

The fourth proportional to 11,389.15, 17,086.07 and 4,815.37 is: 7,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.15 : 17,086.07 = 4,815.37 : x
  2. Step 2: Convert to fraction form
    11,389.15/17,086.07 = 4,815.37/x
  3. Step 3: Cross multiply
    11,389.15x = 17,086.07 × 4,815.37
  4. Step 4: Simplify right side
    11,389.15x = 82,275,748.90
  5. Step 5: Solve for x
    x = 82,275,748.90/11,389.15
  6. Step 6: Final answer
    x = 7,224.05

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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.