Home / 18,652.09-27,975.10-7,558.33

Finding the Fourth Proportional to 18,652.09, 27,975.10 and 7,558.33

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Solution

The fourth proportional to 18,652.09, 27,975.10 and 7,558.33 is: 11,336.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.09 : 27,975.10 = 7,558.33 : x
  2. Step 2: Convert to fraction form
    18,652.09/27,975.10 = 7,558.33/x
  3. Step 3: Cross multiply
    18,652.09x = 27,975.10 × 7,558.33
  4. Step 4: Simplify right side
    18,652.09x = 211,445,018.69
  5. Step 5: Solve for x
    x = 211,445,018.69/18,652.09
  6. Step 6: Final answer
    x = 11,336.26

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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.