Home / 18,151.33-27,237.69-7,623.20

Finding the Fourth Proportional to 18,151.33, 27,237.69 and 7,623.20

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Solution

The fourth proportional to 18,151.33, 27,237.69 and 7,623.20 is: 11,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.33 : 27,237.69 = 7,623.20 : x
  2. Step 2: Convert to fraction form
    18,151.33/27,237.69 = 7,623.20/x
  3. Step 3: Cross multiply
    18,151.33x = 27,237.69 × 7,623.20
  4. Step 4: Simplify right side
    18,151.33x = 207,638,222.22
  5. Step 5: Solve for x
    x = 207,638,222.22/18,151.33
  6. Step 6: Final answer
    x = 11,439.29

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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.