Home / 11,389.41-17,078.04-5,840.51

Finding the Fourth Proportional to 11,389.41, 17,078.04 and 5,840.51

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Solution

The fourth proportional to 11,389.41, 17,078.04 and 5,840.51 is: 8,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,389.41 : 17,078.04 = 5,840.51 : x
  2. Step 2: Convert to fraction form
    11,389.41/17,078.04 = 5,840.51/x
  3. Step 3: Cross multiply
    11,389.41x = 17,078.04 × 5,840.51
  4. Step 4: Simplify right side
    11,389.41x = 99,744,378.01
  5. Step 5: Solve for x
    x = 99,744,378.01/11,389.41
  6. Step 6: Final answer
    x = 8,757.64

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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.