Home / 11,859.09-17,795.75-4,742.05

Finding the Fourth Proportional to 11,859.09, 17,795.75 and 4,742.05

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Solution

The fourth proportional to 11,859.09, 17,795.75 and 4,742.05 is: 7,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,859.09 : 17,795.75 = 4,742.05 : x
  2. Step 2: Convert to fraction form
    11,859.09/17,795.75 = 4,742.05/x
  3. Step 3: Cross multiply
    11,859.09x = 17,795.75 × 4,742.05
  4. Step 4: Simplify right side
    11,859.09x = 84,388,336.29
  5. Step 5: Solve for x
    x = 84,388,336.29/11,859.09
  6. Step 6: Final answer
    x = 7,115.92

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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.