Home / 12,731.24-19,095.90-3,497

Finding the Fourth Proportional to 12,731.24, 19,095.90 and 3,497

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Solution

The fourth proportional to 12,731.24, 19,095.90 and 3,497 is: 5,245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.24 : 19,095.90 = 3,497 : x
  2. Step 2: Convert to fraction form
    12,731.24/19,095.90 = 3,497/x
  3. Step 3: Cross multiply
    12,731.24x = 19,095.90 × 3,497
  4. Step 4: Simplify right side
    12,731.24x = 66,778,362.30
  5. Step 5: Solve for x
    x = 66,778,362.30/12,731.24
  6. Step 6: Final answer
    x = 5,245.24

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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.