Home / 11,709.56-17,566.86-3,918.08

Finding the Fourth Proportional to 11,709.56, 17,566.86 and 3,918.08

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Solution

The fourth proportional to 11,709.56, 17,566.86 and 3,918.08 is: 5,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.56 : 17,566.86 = 3,918.08 : x
  2. Step 2: Convert to fraction form
    11,709.56/17,566.86 = 3,918.08/x
  3. Step 3: Cross multiply
    11,709.56x = 17,566.86 × 3,918.08
  4. Step 4: Simplify right side
    11,709.56x = 68,828,362.83
  5. Step 5: Solve for x
    x = 68,828,362.83/11,709.56
  6. Step 6: Final answer
    x = 5,877.96

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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.