Home / 13,272.65-19,908.98-3,411.94

Finding the Fourth Proportional to 13,272.65, 19,908.98 and 3,411.94

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Solution

The fourth proportional to 13,272.65, 19,908.98 and 3,411.94 is: 5,117.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.65 : 19,908.98 = 3,411.94 : x
  2. Step 2: Convert to fraction form
    13,272.65/19,908.98 = 3,411.94/x
  3. Step 3: Cross multiply
    13,272.65x = 19,908.98 × 3,411.94
  4. Step 4: Simplify right side
    13,272.65x = 67,928,236.69
  5. Step 5: Solve for x
    x = 67,928,236.69/13,272.65
  6. Step 6: Final answer
    x = 5,117.91

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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.