Home / 19,923.37-27,490.49-12,371.54

Finding the Fourth Proportional to 19,923.37, 27,490.49 and 12,371.54

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Solution

The fourth proportional to 19,923.37, 27,490.49 and 12,371.54 is: 17,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,923.37 : 27,490.49 = 12,371.54 : x
  2. Step 2: Convert to fraction form
    19,923.37/27,490.49 = 12,371.54/x
  3. Step 3: Cross multiply
    19,923.37x = 27,490.49 × 12,371.54
  4. Step 4: Simplify right side
    19,923.37x = 340,099,696.65
  5. Step 5: Solve for x
    x = 340,099,696.65/19,923.37
  6. Step 6: Final answer
    x = 17,070.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.