Home / 21,464.04-29,620.46-12,032

Finding the Fourth Proportional to 21,464.04, 29,620.46 and 12,032

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Solution

The fourth proportional to 21,464.04, 29,620.46 and 12,032 is: 16,604.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.04 : 29,620.46 = 12,032 : x
  2. Step 2: Convert to fraction form
    21,464.04/29,620.46 = 12,032/x
  3. Step 3: Cross multiply
    21,464.04x = 29,620.46 × 12,032
  4. Step 4: Simplify right side
    21,464.04x = 356,393,374.72
  5. Step 5: Solve for x
    x = 356,393,374.72/21,464.04
  6. Step 6: Final answer
    x = 16,604.21

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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.