Home / 18,942.84-26,138.06-10,983.52

Finding the Fourth Proportional to 18,942.84, 26,138.06 and 10,983.52

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Solution

The fourth proportional to 18,942.84, 26,138.06 and 10,983.52 is: 15,155.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.84 : 26,138.06 = 10,983.52 : x
  2. Step 2: Convert to fraction form
    18,942.84/26,138.06 = 10,983.52/x
  3. Step 3: Cross multiply
    18,942.84x = 26,138.06 × 10,983.52
  4. Step 4: Simplify right side
    18,942.84x = 287,087,904.77
  5. Step 5: Solve for x
    x = 287,087,904.77/18,942.84
  6. Step 6: Final answer
    x = 15,155.48

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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.