Home / 13,928.94-20,887.26-6,527.42

Finding the Fourth Proportional to 13,928.94, 20,887.26 and 6,527.42

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Solution

The fourth proportional to 13,928.94, 20,887.26 and 6,527.42 is: 9,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.94 : 20,887.26 = 6,527.42 : x
  2. Step 2: Convert to fraction form
    13,928.94/20,887.26 = 6,527.42/x
  3. Step 3: Cross multiply
    13,928.94x = 20,887.26 × 6,527.42
  4. Step 4: Simplify right side
    13,928.94x = 136,339,918.67
  5. Step 5: Solve for x
    x = 136,339,918.67/13,928.94
  6. Step 6: Final answer
    x = 9,788.25

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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.