Home / 21,800.44-30,083.70-12,369.52

Finding the Fourth Proportional to 21,800.44, 30,083.70 and 12,369.52

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Solution

The fourth proportional to 21,800.44, 30,083.70 and 12,369.52 is: 17,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,800.44 : 30,083.70 = 12,369.52 : x
  2. Step 2: Convert to fraction form
    21,800.44/30,083.70 = 12,369.52/x
  3. Step 3: Cross multiply
    21,800.44x = 30,083.70 × 12,369.52
  4. Step 4: Simplify right side
    21,800.44x = 372,120,928.82
  5. Step 5: Solve for x
    x = 372,120,928.82/21,800.44
  6. Step 6: Final answer
    x = 17,069.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.