Home / 11,265.43-16,893.31-3,870.63

Finding the Fourth Proportional to 11,265.43, 16,893.31 and 3,870.63

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Solution

The fourth proportional to 11,265.43, 16,893.31 and 3,870.63 is: 5,804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.43 : 16,893.31 = 3,870.63 : x
  2. Step 2: Convert to fraction form
    11,265.43/16,893.31 = 3,870.63/x
  3. Step 3: Cross multiply
    11,265.43x = 16,893.31 × 3,870.63
  4. Step 4: Simplify right side
    11,265.43x = 65,387,752.49
  5. Step 5: Solve for x
    x = 65,387,752.49/11,265.43
  6. Step 6: Final answer
    x = 5,804.28

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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.