Home / 13,749.39-20,627.57-6,359.15

Finding the Fourth Proportional to 13,749.39, 20,627.57 and 6,359.15

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Solution

The fourth proportional to 13,749.39, 20,627.57 and 6,359.15 is: 9,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.39 : 20,627.57 = 6,359.15 : x
  2. Step 2: Convert to fraction form
    13,749.39/20,627.57 = 6,359.15/x
  3. Step 3: Cross multiply
    13,749.39x = 20,627.57 × 6,359.15
  4. Step 4: Simplify right side
    13,749.39x = 131,173,879.23
  5. Step 5: Solve for x
    x = 131,173,879.23/13,749.39
  6. Step 6: Final answer
    x = 9,540.34

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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.