Home / 21,774.47-30,048.64-12,083.83

Finding the Fourth Proportional to 21,774.47, 30,048.64 and 12,083.83

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Solution

The fourth proportional to 21,774.47, 30,048.64 and 12,083.83 is: 16,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.47 : 30,048.64 = 12,083.83 : x
  2. Step 2: Convert to fraction form
    21,774.47/30,048.64 = 12,083.83/x
  3. Step 3: Cross multiply
    21,774.47x = 30,048.64 × 12,083.83
  4. Step 4: Simplify right side
    21,774.47x = 363,102,507.25
  5. Step 5: Solve for x
    x = 363,102,507.25/21,774.47
  6. Step 6: Final answer
    x = 16,675.61

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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.