Home / 11,606.09-16,015.43-6,889.55

Finding the Fourth Proportional to 11,606.09, 16,015.43 and 6,889.55

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Solution

The fourth proportional to 11,606.09, 16,015.43 and 6,889.55 is: 9,507.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,606.09 : 16,015.43 = 6,889.55 : x
  2. Step 2: Convert to fraction form
    11,606.09/16,015.43 = 6,889.55/x
  3. Step 3: Cross multiply
    11,606.09x = 16,015.43 × 6,889.55
  4. Step 4: Simplify right side
    11,606.09x = 110,339,042.90
  5. Step 5: Solve for x
    x = 110,339,042.90/11,606.09
  6. Step 6: Final answer
    x = 9,507.00

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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.