Home / 13,883.45-20,825.75-11,559.84

Finding the Fourth Proportional to 13,883.45, 20,825.75 and 11,559.84

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Solution

The fourth proportional to 13,883.45, 20,825.75 and 11,559.84 is: 17,340.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.45 : 20,825.75 = 11,559.84 : x
  2. Step 2: Convert to fraction form
    13,883.45/20,825.75 = 11,559.84/x
  3. Step 3: Cross multiply
    13,883.45x = 20,825.75 × 11,559.84
  4. Step 4: Simplify right side
    13,883.45x = 240,742,265.98
  5. Step 5: Solve for x
    x = 240,742,265.98/13,883.45
  6. Step 6: Final answer
    x = 17,340.23

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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.