Home / 13,001.96-19,513.87-12,181.83

Finding the Fourth Proportional to 13,001.96, 19,513.87 and 12,181.83

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Solution

The fourth proportional to 13,001.96, 19,513.87 and 12,181.83 is: 18,282.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.96 : 19,513.87 = 12,181.83 : x
  2. Step 2: Convert to fraction form
    13,001.96/19,513.87 = 12,181.83/x
  3. Step 3: Cross multiply
    13,001.96x = 19,513.87 × 12,181.83
  4. Step 4: Simplify right side
    13,001.96x = 237,714,646.98
  5. Step 5: Solve for x
    x = 237,714,646.98/13,001.96
  6. Step 6: Final answer
    x = 18,282.99

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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.