Home / 11,845.87-16,347.41-6,541.09

Finding the Fourth Proportional to 11,845.87, 16,347.41 and 6,541.09

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Solution

The fourth proportional to 11,845.87, 16,347.41 and 6,541.09 is: 9,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,845.87 : 16,347.41 = 6,541.09 : x
  2. Step 2: Convert to fraction form
    11,845.87/16,347.41 = 6,541.09/x
  3. Step 3: Cross multiply
    11,845.87x = 16,347.41 × 6,541.09
  4. Step 4: Simplify right side
    11,845.87x = 106,929,847.37
  5. Step 5: Solve for x
    x = 106,929,847.37/11,845.87
  6. Step 6: Final answer
    x = 9,026.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.