Home / 11,474.42-15,834.44-6,438.52

Finding the Fourth Proportional to 11,474.42, 15,834.44 and 6,438.52

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Solution

The fourth proportional to 11,474.42, 15,834.44 and 6,438.52 is: 8,885.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,474.42 : 15,834.44 = 6,438.52 : x
  2. Step 2: Convert to fraction form
    11,474.42/15,834.44 = 6,438.52/x
  3. Step 3: Cross multiply
    11,474.42x = 15,834.44 × 6,438.52
  4. Step 4: Simplify right side
    11,474.42x = 101,950,358.63
  5. Step 5: Solve for x
    x = 101,950,358.63/11,474.42
  6. Step 6: Final answer
    x = 8,885.01

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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.