Home / 13,860.26-20,790.09-4,500.26

Finding the Fourth Proportional to 13,860.26, 20,790.09 and 4,500.26

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Solution

The fourth proportional to 13,860.26, 20,790.09 and 4,500.26 is: 6,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860.26 : 20,790.09 = 4,500.26 : x
  2. Step 2: Convert to fraction form
    13,860.26/20,790.09 = 4,500.26/x
  3. Step 3: Cross multiply
    13,860.26x = 20,790.09 × 4,500.26
  4. Step 4: Simplify right side
    13,860.26x = 93,560,810.42
  5. Step 5: Solve for x
    x = 93,560,810.42/13,860.26
  6. Step 6: Final answer
    x = 6,750.29

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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.