Home / 18,371.48-27,557.03-5,222.12

Finding the Fourth Proportional to 18,371.48, 27,557.03 and 5,222.12

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Solution

The fourth proportional to 18,371.48, 27,557.03 and 5,222.12 is: 7,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,371.48 : 27,557.03 = 5,222.12 : x
  2. Step 2: Convert to fraction form
    18,371.48/27,557.03 = 5,222.12/x
  3. Step 3: Cross multiply
    18,371.48x = 27,557.03 × 5,222.12
  4. Step 4: Simplify right side
    18,371.48x = 143,905,992.77
  5. Step 5: Solve for x
    x = 143,905,992.77/18,371.48
  6. Step 6: Final answer
    x = 7,833.12

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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.