Home / 14,250.94-21,367.19-7,681.84

Finding the Fourth Proportional to 14,250.94, 21,367.19 and 7,681.84

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Solution

The fourth proportional to 14,250.94, 21,367.19 and 7,681.84 is: 11,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,250.94 : 21,367.19 = 7,681.84 : x
  2. Step 2: Convert to fraction form
    14,250.94/21,367.19 = 7,681.84/x
  3. Step 3: Cross multiply
    14,250.94x = 21,367.19 × 7,681.84
  4. Step 4: Simplify right side
    14,250.94x = 164,139,300.62
  5. Step 5: Solve for x
    x = 164,139,300.62/14,250.94
  6. Step 6: Final answer
    x = 11,517.79

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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.