Home / 18,897.06-26,078.49-10,941.78

Finding the Fourth Proportional to 18,897.06, 26,078.49 and 10,941.78

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Solution

The fourth proportional to 18,897.06, 26,078.49 and 10,941.78 is: 15,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897.06 : 26,078.49 = 10,941.78 : x
  2. Step 2: Convert to fraction form
    18,897.06/26,078.49 = 10,941.78/x
  3. Step 3: Cross multiply
    18,897.06x = 26,078.49 × 10,941.78
  4. Step 4: Simplify right side
    18,897.06x = 285,345,100.31
  5. Step 5: Solve for x
    x = 285,345,100.31/18,897.06
  6. Step 6: Final answer
    x = 15,099.97

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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.