Home / 18,371.09-27,561.26-5,223.46

Finding the Fourth Proportional to 18,371.09, 27,561.26 and 5,223.46

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Solution

The fourth proportional to 18,371.09, 27,561.26 and 5,223.46 is: 7,836.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.09 : 27,561.26 = 5,223.46 : x
  2. Step 2: Convert to fraction form
    18,371.09/27,561.26 = 5,223.46/x
  3. Step 3: Cross multiply
    18,371.09x = 27,561.26 × 5,223.46
  4. Step 4: Simplify right side
    18,371.09x = 143,965,050.67
  5. Step 5: Solve for x
    x = 143,965,050.67/18,371.09
  6. Step 6: Final answer
    x = 7,836.50

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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.