Home / 19,759.40-27,266.58-10,806.71

Finding the Fourth Proportional to 19,759.40, 27,266.58 and 10,806.71

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Solution

The fourth proportional to 19,759.40, 27,266.58 and 10,806.71 is: 14,912.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.40 : 27,266.58 = 10,806.71 : x
  2. Step 2: Convert to fraction form
    19,759.40/27,266.58 = 10,806.71/x
  3. Step 3: Cross multiply
    19,759.40x = 27,266.58 × 10,806.71
  4. Step 4: Simplify right side
    19,759.40x = 294,662,022.75
  5. Step 5: Solve for x
    x = 294,662,022.75/19,759.40
  6. Step 6: Final answer
    x = 14,912.50

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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.