Home / 19,586.68-29,379.04-6,439.16

Finding the Fourth Proportional to 19,586.68, 29,379.04 and 6,439.16

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Solution

The fourth proportional to 19,586.68, 29,379.04 and 6,439.16 is: 9,658.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586.68 : 29,379.04 = 6,439.16 : x
  2. Step 2: Convert to fraction form
    19,586.68/29,379.04 = 6,439.16/x
  3. Step 3: Cross multiply
    19,586.68x = 29,379.04 × 6,439.16
  4. Step 4: Simplify right side
    19,586.68x = 189,176,396.56
  5. Step 5: Solve for x
    x = 189,176,396.56/19,586.68
  6. Step 6: Final answer
    x = 9,658.42

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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.