Home / 13,788.07-20,684.42-10,826.40

Finding the Fourth Proportional to 13,788.07, 20,684.42 and 10,826.40

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Solution

The fourth proportional to 13,788.07, 20,684.42 and 10,826.40 is: 16,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.07 : 20,684.42 = 10,826.40 : x
  2. Step 2: Convert to fraction form
    13,788.07/20,684.42 = 10,826.40/x
  3. Step 3: Cross multiply
    13,788.07x = 20,684.42 × 10,826.40
  4. Step 4: Simplify right side
    13,788.07x = 223,937,804.69
  5. Step 5: Solve for x
    x = 223,937,804.69/13,788.07
  6. Step 6: Final answer
    x = 16,241.42

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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.