Home / 9,686.88-14,531.04-2,761.92

Finding the Fourth Proportional to 9,686.88, 14,531.04 and 2,761.92

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Solution

The fourth proportional to 9,686.88, 14,531.04 and 2,761.92 is: 4,143.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,686.88 : 14,531.04 = 2,761.92 : x
  2. Step 2: Convert to fraction form
    9,686.88/14,531.04 = 2,761.92/x
  3. Step 3: Cross multiply
    9,686.88x = 14,531.04 × 2,761.92
  4. Step 4: Simplify right side
    9,686.88x = 40,133,570.00
  5. Step 5: Solve for x
    x = 40,133,570.00/9,686.88
  6. Step 6: Final answer
    x = 4,143.09

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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.