Home / 14,456.72-21,654.80-12,703.88

Finding the Fourth Proportional to 14,456.72, 21,654.80 and 12,703.88

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Solution

The fourth proportional to 14,456.72, 21,654.80 and 12,703.88 is: 19,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.72 : 21,654.80 = 12,703.88 : x
  2. Step 2: Convert to fraction form
    14,456.72/21,654.80 = 12,703.88/x
  3. Step 3: Cross multiply
    14,456.72x = 21,654.80 × 12,703.88
  4. Step 4: Simplify right side
    14,456.72x = 275,099,980.62
  5. Step 5: Solve for x
    x = 275,099,980.62/14,456.72
  6. Step 6: Final answer
    x = 19,029.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.