Home / 13,850.30-20,775.48-7,707.26

Finding the Fourth Proportional to 13,850.30, 20,775.48 and 7,707.26

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Solution

The fourth proportional to 13,850.30, 20,775.48 and 7,707.26 is: 11,560.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.30 : 20,775.48 = 7,707.26 : x
  2. Step 2: Convert to fraction form
    13,850.30/20,775.48 = 7,707.26/x
  3. Step 3: Cross multiply
    13,850.30x = 20,775.48 × 7,707.26
  4. Step 4: Simplify right side
    13,850.30x = 160,122,025.98
  5. Step 5: Solve for x
    x = 160,122,025.98/13,850.30
  6. Step 6: Final answer
    x = 11,560.91

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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.