Home / 11,696.89-16,142.76-6,660.01

Finding the Fourth Proportional to 11,696.89, 16,142.76 and 6,660.01

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Solution

The fourth proportional to 11,696.89, 16,142.76 and 6,660.01 is: 9,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,696.89 : 16,142.76 = 6,660.01 : x
  2. Step 2: Convert to fraction form
    11,696.89/16,142.76 = 6,660.01/x
  3. Step 3: Cross multiply
    11,696.89x = 16,142.76 × 6,660.01
  4. Step 4: Simplify right side
    11,696.89x = 107,510,943.03
  5. Step 5: Solve for x
    x = 107,510,943.03/11,696.89
  6. Step 6: Final answer
    x = 9,191.41

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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.