Home / 13,417.19-20,132.87-9,749.73

Finding the Fourth Proportional to 13,417.19, 20,132.87 and 9,749.73

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Solution

The fourth proportional to 13,417.19, 20,132.87 and 9,749.73 is: 14,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.19 : 20,132.87 = 9,749.73 : x
  2. Step 2: Convert to fraction form
    13,417.19/20,132.87 = 9,749.73/x
  3. Step 3: Cross multiply
    13,417.19x = 20,132.87 × 9,749.73
  4. Step 4: Simplify right side
    13,417.19x = 196,289,997.88
  5. Step 5: Solve for x
    x = 196,289,997.88/13,417.19
  6. Step 6: Final answer
    x = 14,629.75

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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.