Home / 9,226.89-12,739.24-7,098.67

Finding the Fourth Proportional to 9,226.89, 12,739.24 and 7,098.67

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Solution

The fourth proportional to 9,226.89, 12,739.24 and 7,098.67 is: 9,800.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.89 : 12,739.24 = 7,098.67 : x
  2. Step 2: Convert to fraction form
    9,226.89/12,739.24 = 7,098.67/x
  3. Step 3: Cross multiply
    9,226.89x = 12,739.24 × 7,098.67
  4. Step 4: Simplify right side
    9,226.89x = 90,431,611.22
  5. Step 5: Solve for x
    x = 90,431,611.22/9,226.89
  6. Step 6: Final answer
    x = 9,800.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.