Home / 11,040.64-16,561.60-4,114.56

Finding the Fourth Proportional to 11,040.64, 16,561.60 and 4,114.56

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Solution

The fourth proportional to 11,040.64, 16,561.60 and 4,114.56 is: 6,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.64 : 16,561.60 = 4,114.56 : x
  2. Step 2: Convert to fraction form
    11,040.64/16,561.60 = 4,114.56/x
  3. Step 3: Cross multiply
    11,040.64x = 16,561.60 × 4,114.56
  4. Step 4: Simplify right side
    11,040.64x = 68,143,696.90
  5. Step 5: Solve for x
    x = 68,143,696.90/11,040.64
  6. Step 6: Final answer
    x = 6,172.08

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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.