Home / 21,497.09-29,662.65-12,297.92

Finding the Fourth Proportional to 21,497.09, 29,662.65 and 12,297.92

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Solution

The fourth proportional to 21,497.09, 29,662.65 and 12,297.92 is: 16,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.09 : 29,662.65 = 12,297.92 : x
  2. Step 2: Convert to fraction form
    21,497.09/29,662.65 = 12,297.92/x
  3. Step 3: Cross multiply
    21,497.09x = 29,662.65 × 12,297.92
  4. Step 4: Simplify right side
    21,497.09x = 364,788,748.37
  5. Step 5: Solve for x
    x = 364,788,748.37/21,497.09
  6. Step 6: Final answer
    x = 16,969.22

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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.