Home / 19,855.54-27,401.64-10,902.94

Finding the Fourth Proportional to 19,855.54, 27,401.64 and 10,902.94

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Solution

The fourth proportional to 19,855.54, 27,401.64 and 10,902.94 is: 15,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.54 : 27,401.64 = 10,902.94 : x
  2. Step 2: Convert to fraction form
    19,855.54/27,401.64 = 10,902.94/x
  3. Step 3: Cross multiply
    19,855.54x = 27,401.64 × 10,902.94
  4. Step 4: Simplify right side
    19,855.54x = 298,758,436.82
  5. Step 5: Solve for x
    x = 298,758,436.82/19,855.54
  6. Step 6: Final answer
    x = 15,046.60

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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.