Home / 21,633.84-29,853.36-12,203.82

Finding the Fourth Proportional to 21,633.84, 29,853.36 and 12,203.82

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Solution

The fourth proportional to 21,633.84, 29,853.36 and 12,203.82 is: 16,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,633.84 : 29,853.36 = 12,203.82 : x
  2. Step 2: Convert to fraction form
    21,633.84/29,853.36 = 12,203.82/x
  3. Step 3: Cross multiply
    21,633.84x = 29,853.36 × 12,203.82
  4. Step 4: Simplify right side
    21,633.84x = 364,325,031.84
  5. Step 5: Solve for x
    x = 364,325,031.84/21,633.84
  6. Step 6: Final answer
    x = 16,840.52

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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.