Home / 11,975.26-17,963.12-3,210.10

Finding the Fourth Proportional to 11,975.26, 17,963.12 and 3,210.10

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Solution

The fourth proportional to 11,975.26, 17,963.12 and 3,210.10 is: 4,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.26 : 17,963.12 = 3,210.10 : x
  2. Step 2: Convert to fraction form
    11,975.26/17,963.12 = 3,210.10/x
  3. Step 3: Cross multiply
    11,975.26x = 17,963.12 × 3,210.10
  4. Step 4: Simplify right side
    11,975.26x = 57,663,411.51
  5. Step 5: Solve for x
    x = 57,663,411.51/11,975.26
  6. Step 6: Final answer
    x = 4,815.21

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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.