Home / 19,331.54-29,004.22-11,927.38

Finding the Fourth Proportional to 19,331.54, 29,004.22 and 11,927.38

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Solution

The fourth proportional to 19,331.54, 29,004.22 and 11,927.38 is: 17,895.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.54 : 29,004.22 = 11,927.38 : x
  2. Step 2: Convert to fraction form
    19,331.54/29,004.22 = 11,927.38/x
  3. Step 3: Cross multiply
    19,331.54x = 29,004.22 × 11,927.38
  4. Step 4: Simplify right side
    19,331.54x = 345,944,353.54
  5. Step 5: Solve for x
    x = 345,944,353.54/19,331.54
  6. Step 6: Final answer
    x = 17,895.33

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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.