Home / 21,481.84-29,646.30-12,051.82

Finding the Fourth Proportional to 21,481.84, 29,646.30 and 12,051.82

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Solution

The fourth proportional to 21,481.84, 29,646.30 and 12,051.82 is: 16,632.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.84 : 29,646.30 = 12,051.82 : x
  2. Step 2: Convert to fraction form
    21,481.84/29,646.30 = 12,051.82/x
  3. Step 3: Cross multiply
    21,481.84x = 29,646.30 × 12,051.82
  4. Step 4: Simplify right side
    21,481.84x = 357,291,871.27
  5. Step 5: Solve for x
    x = 357,291,871.27/21,481.84
  6. Step 6: Final answer
    x = 16,632.28

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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.