Home / 12,881.92-19,323.24-3,522.07

Finding the Fourth Proportional to 12,881.92, 19,323.24 and 3,522.07

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Solution

The fourth proportional to 12,881.92, 19,323.24 and 3,522.07 is: 5,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,881.92 : 19,323.24 = 3,522.07 : x
  2. Step 2: Convert to fraction form
    12,881.92/19,323.24 = 3,522.07/x
  3. Step 3: Cross multiply
    12,881.92x = 19,323.24 × 3,522.07
  4. Step 4: Simplify right side
    12,881.92x = 68,057,803.91
  5. Step 5: Solve for x
    x = 68,057,803.91/12,881.92
  6. Step 6: Final answer
    x = 5,283.20

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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.