Home / 9,421.32-14,136.66-3,876.42

Finding the Fourth Proportional to 9,421.32, 14,136.66 and 3,876.42

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Solution

The fourth proportional to 9,421.32, 14,136.66 and 3,876.42 is: 5,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.32 : 14,136.66 = 3,876.42 : x
  2. Step 2: Convert to fraction form
    9,421.32/14,136.66 = 3,876.42/x
  3. Step 3: Cross multiply
    9,421.32x = 14,136.66 × 3,876.42
  4. Step 4: Simplify right side
    9,421.32x = 54,799,631.56
  5. Step 5: Solve for x
    x = 54,799,631.56/9,421.32
  6. Step 6: Final answer
    x = 5,816.56

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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.