Home / 17,647.56-26,446.86-7,772.04

Finding the Fourth Proportional to 17,647.56, 26,446.86 and 7,772.04

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Solution

The fourth proportional to 17,647.56, 26,446.86 and 7,772.04 is: 11,647.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.56 : 26,446.86 = 7,772.04 : x
  2. Step 2: Convert to fraction form
    17,647.56/26,446.86 = 7,772.04/x
  3. Step 3: Cross multiply
    17,647.56x = 26,446.86 × 7,772.04
  4. Step 4: Simplify right side
    17,647.56x = 205,546,053.79
  5. Step 5: Solve for x
    x = 205,546,053.79/17,647.56
  6. Step 6: Final answer
    x = 11,647.28

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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.