Home / 11,661.36-17,561.76-10,217.94

Finding the Fourth Proportional to 11,661.36, 17,561.76 and 10,217.94

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Solution

The fourth proportional to 11,661.36, 17,561.76 and 10,217.94 is: 15,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.36 : 17,561.76 = 10,217.94 : x
  2. Step 2: Convert to fraction form
    11,661.36/17,561.76 = 10,217.94/x
  3. Step 3: Cross multiply
    11,661.36x = 17,561.76 × 10,217.94
  4. Step 4: Simplify right side
    11,661.36x = 179,445,009.97
  5. Step 5: Solve for x
    x = 179,445,009.97/11,661.36
  6. Step 6: Final answer
    x = 15,388.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.