Home / 13,788.26-20,675.23-6,765.20

Finding the Fourth Proportional to 13,788.26, 20,675.23 and 6,765.20

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Solution

The fourth proportional to 13,788.26, 20,675.23 and 6,765.20 is: 10,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,788.26 : 20,675.23 = 6,765.20 : x
  2. Step 2: Convert to fraction form
    13,788.26/20,675.23 = 6,765.20/x
  3. Step 3: Cross multiply
    13,788.26x = 20,675.23 × 6,765.20
  4. Step 4: Simplify right side
    13,788.26x = 139,872,066.00
  5. Step 5: Solve for x
    x = 139,872,066.00/13,788.26
  6. Step 6: Final answer
    x = 10,144.29

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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.