Home / 13,019.56-19,584.78-11,801.68

Finding the Fourth Proportional to 13,019.56, 19,584.78 and 11,801.68

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Solution

The fourth proportional to 13,019.56, 19,584.78 and 11,801.68 is: 17,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.56 : 19,584.78 = 11,801.68 : x
  2. Step 2: Convert to fraction form
    13,019.56/19,584.78 = 11,801.68/x
  3. Step 3: Cross multiply
    13,019.56x = 19,584.78 × 11,801.68
  4. Step 4: Simplify right side
    13,019.56x = 231,133,227.96
  5. Step 5: Solve for x
    x = 231,133,227.96/13,019.56
  6. Step 6: Final answer
    x = 17,752.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.