Home / 10,474.23-15,708.18-3,809.88

Finding the Fourth Proportional to 10,474.23, 15,708.18 and 3,809.88

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Solution

The fourth proportional to 10,474.23, 15,708.18 and 3,809.88 is: 5,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.23 : 15,708.18 = 3,809.88 : x
  2. Step 2: Convert to fraction form
    10,474.23/15,708.18 = 3,809.88/x
  3. Step 3: Cross multiply
    10,474.23x = 15,708.18 × 3,809.88
  4. Step 4: Simplify right side
    10,474.23x = 59,846,280.82
  5. Step 5: Solve for x
    x = 59,846,280.82/10,474.23
  6. Step 6: Final answer
    x = 5,713.67

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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.