Home / 10,680.95-16,021.43-2,890.37

Finding the Fourth Proportional to 10,680.95, 16,021.43 and 2,890.37

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Solution

The fourth proportional to 10,680.95, 16,021.43 and 2,890.37 is: 4,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.95 : 16,021.43 = 2,890.37 : x
  2. Step 2: Convert to fraction form
    10,680.95/16,021.43 = 2,890.37/x
  3. Step 3: Cross multiply
    10,680.95x = 16,021.43 × 2,890.37
  4. Step 4: Simplify right side
    10,680.95x = 46,307,860.63
  5. Step 5: Solve for x
    x = 46,307,860.63/10,680.95
  6. Step 6: Final answer
    x = 4,335.56

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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.