Home / 11,763.88-17,622.26-7,081.40

Finding the Fourth Proportional to 11,763.88, 17,622.26 and 7,081.40

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Solution

The fourth proportional to 11,763.88, 17,622.26 and 7,081.40 is: 10,607.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.88 : 17,622.26 = 7,081.40 : x
  2. Step 2: Convert to fraction form
    11,763.88/17,622.26 = 7,081.40/x
  3. Step 3: Cross multiply
    11,763.88x = 17,622.26 × 7,081.40
  4. Step 4: Simplify right side
    11,763.88x = 124,790,271.96
  5. Step 5: Solve for x
    x = 124,790,271.96/11,763.88
  6. Step 6: Final answer
    x = 10,607.92

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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.