Home / 11,263.43-16,890.31-3,868.63

Finding the Fourth Proportional to 11,263.43, 16,890.31 and 3,868.63

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Solution

The fourth proportional to 11,263.43, 16,890.31 and 3,868.63 is: 5,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.43 : 16,890.31 = 3,868.63 : x
  2. Step 2: Convert to fraction form
    11,263.43/16,890.31 = 3,868.63/x
  3. Step 3: Cross multiply
    11,263.43x = 16,890.31 × 3,868.63
  4. Step 4: Simplify right side
    11,263.43x = 65,342,359.98
  5. Step 5: Solve for x
    x = 65,342,359.98/11,263.43
  6. Step 6: Final answer
    x = 5,801.28

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1.5x scale

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.