Home / 14,161.26-21,245.49-13,271.82

Finding the Fourth Proportional to 14,161.26, 21,245.49 and 13,271.82

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Solution

The fourth proportional to 14,161.26, 21,245.49 and 13,271.82 is: 19,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.26 : 21,245.49 = 13,271.82 : x
  2. Step 2: Convert to fraction form
    14,161.26/21,245.49 = 13,271.82/x
  3. Step 3: Cross multiply
    14,161.26x = 21,245.49 × 13,271.82
  4. Step 4: Simplify right side
    14,161.26x = 281,966,319.09
  5. Step 5: Solve for x
    x = 281,966,319.09/14,161.26
  6. Step 6: Final answer
    x = 19,911.10

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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.