Home / 19,450.67-26,847.87-11,386.21

Finding the Fourth Proportional to 19,450.67, 26,847.87 and 11,386.21

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Solution

The fourth proportional to 19,450.67, 26,847.87 and 11,386.21 is: 15,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,450.67 : 26,847.87 = 11,386.21 : x
  2. Step 2: Convert to fraction form
    19,450.67/26,847.87 = 11,386.21/x
  3. Step 3: Cross multiply
    19,450.67x = 26,847.87 × 11,386.21
  4. Step 4: Simplify right side
    19,450.67x = 305,695,485.87
  5. Step 5: Solve for x
    x = 305,695,485.87/19,450.67
  6. Step 6: Final answer
    x = 15,716.45

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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.