Home / 19,530.78-26,954.13-11,034.46

Finding the Fourth Proportional to 19,530.78, 26,954.13 and 11,034.46

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Solution

The fourth proportional to 19,530.78, 26,954.13 and 11,034.46 is: 15,228.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.78 : 26,954.13 = 11,034.46 : x
  2. Step 2: Convert to fraction form
    19,530.78/26,954.13 = 11,034.46/x
  3. Step 3: Cross multiply
    19,530.78x = 26,954.13 × 11,034.46
  4. Step 4: Simplify right side
    19,530.78x = 297,424,201.93
  5. Step 5: Solve for x
    x = 297,424,201.93/19,530.78
  6. Step 6: Final answer
    x = 15,228.49

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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.