Home / 13,550.85-20,346.93-12,882.60

Finding the Fourth Proportional to 13,550.85, 20,346.93 and 12,882.60

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Solution

The fourth proportional to 13,550.85, 20,346.93 and 12,882.60 is: 19,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550.85 : 20,346.93 = 12,882.60 : x
  2. Step 2: Convert to fraction form
    13,550.85/20,346.93 = 12,882.60/x
  3. Step 3: Cross multiply
    13,550.85x = 20,346.93 × 12,882.60
  4. Step 4: Simplify right side
    13,550.85x = 262,121,360.42
  5. Step 5: Solve for x
    x = 262,121,360.42/13,550.85
  6. Step 6: Final answer
    x = 19,343.54

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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.