Home / 18,977.94-26,187.56-11,018.61

Finding the Fourth Proportional to 18,977.94, 26,187.56 and 11,018.61

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Solution

The fourth proportional to 18,977.94, 26,187.56 and 11,018.61 is: 15,204.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.94 : 26,187.56 = 11,018.61 : x
  2. Step 2: Convert to fraction form
    18,977.94/26,187.56 = 11,018.61/x
  3. Step 3: Cross multiply
    18,977.94x = 26,187.56 × 11,018.61
  4. Step 4: Simplify right side
    18,977.94x = 288,550,510.49
  5. Step 5: Solve for x
    x = 288,550,510.49/18,977.94
  6. Step 6: Final answer
    x = 15,204.52

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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.