Home / 10,780.98-16,172.91-3,853.14

Finding the Fourth Proportional to 10,780.98, 16,172.91 and 3,853.14

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Solution

The fourth proportional to 10,780.98, 16,172.91 and 3,853.14 is: 5,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.98 : 16,172.91 = 3,853.14 : x
  2. Step 2: Convert to fraction form
    10,780.98/16,172.91 = 3,853.14/x
  3. Step 3: Cross multiply
    10,780.98x = 16,172.91 × 3,853.14
  4. Step 4: Simplify right side
    10,780.98x = 62,316,486.44
  5. Step 5: Solve for x
    x = 62,316,486.44/10,780.98
  6. Step 6: Final answer
    x = 5,780.22

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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.