Home / 17,111.78-25,660.47-7,250.66

Finding the Fourth Proportional to 17,111.78, 25,660.47 and 7,250.66

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Solution

The fourth proportional to 17,111.78, 25,660.47 and 7,250.66 is: 10,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,111.78 : 25,660.47 = 7,250.66 : x
  2. Step 2: Convert to fraction form
    17,111.78/25,660.47 = 7,250.66/x
  3. Step 3: Cross multiply
    17,111.78x = 25,660.47 × 7,250.66
  4. Step 4: Simplify right side
    17,111.78x = 186,055,343.41
  5. Step 5: Solve for x
    x = 186,055,343.41/17,111.78
  6. Step 6: Final answer
    x = 10,872.94

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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.