Home / 19,759.44-27,267.93-10,806.78

Finding the Fourth Proportional to 19,759.44, 27,267.93 and 10,806.78

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Solution

The fourth proportional to 19,759.44, 27,267.93 and 10,806.78 is: 14,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.44 : 27,267.93 = 10,806.78 : x
  2. Step 2: Convert to fraction form
    19,759.44/27,267.93 = 10,806.78/x
  3. Step 3: Cross multiply
    19,759.44x = 27,267.93 × 10,806.78
  4. Step 4: Simplify right side
    19,759.44x = 294,678,520.57
  5. Step 5: Solve for x
    x = 294,678,520.57/19,759.44
  6. Step 6: Final answer
    x = 14,913.30

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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.