Home / 9,538.46-14,305.11-3,990.67

Finding the Fourth Proportional to 9,538.46, 14,305.11 and 3,990.67

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Solution

The fourth proportional to 9,538.46, 14,305.11 and 3,990.67 is: 5,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,538.46 : 14,305.11 = 3,990.67 : x
  2. Step 2: Convert to fraction form
    9,538.46/14,305.11 = 3,990.67/x
  3. Step 3: Cross multiply
    9,538.46x = 14,305.11 × 3,990.67
  4. Step 4: Simplify right side
    9,538.46x = 57,086,922.60
  5. Step 5: Solve for x
    x = 57,086,922.60/9,538.46
  6. Step 6: Final answer
    x = 5,984.92

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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.