Home / 19,440.14-26,826.81-10,942.73

Finding the Fourth Proportional to 19,440.14, 26,826.81 and 10,942.73

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Solution

The fourth proportional to 19,440.14, 26,826.81 and 10,942.73 is: 15,100.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.14 : 26,826.81 = 10,942.73 : x
  2. Step 2: Convert to fraction form
    19,440.14/26,826.81 = 10,942.73/x
  3. Step 3: Cross multiply
    19,440.14x = 26,826.81 × 10,942.73
  4. Step 4: Simplify right side
    19,440.14x = 293,558,538.59
  5. Step 5: Solve for x
    x = 293,558,538.59/19,440.14
  6. Step 6: Final answer
    x = 15,100.64

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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.