Home / 13,607.44-20,410.92-7,751.56

Finding the Fourth Proportional to 13,607.44, 20,410.92 and 7,751.56

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Solution

The fourth proportional to 13,607.44, 20,410.92 and 7,751.56 is: 11,627.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,607.44 : 20,410.92 = 7,751.56 : x
  2. Step 2: Convert to fraction form
    13,607.44/20,410.92 = 7,751.56/x
  3. Step 3: Cross multiply
    13,607.44x = 20,410.92 × 7,751.56
  4. Step 4: Simplify right side
    13,607.44x = 158,216,471.04
  5. Step 5: Solve for x
    x = 158,216,471.04/13,607.44
  6. Step 6: Final answer
    x = 11,627.20

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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.