Home / 19,379.22-29,068.74-12,834.72

Finding the Fourth Proportional to 19,379.22, 29,068.74 and 12,834.72

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Solution

The fourth proportional to 19,379.22, 29,068.74 and 12,834.72 is: 19,252.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,379.22 : 29,068.74 = 12,834.72 : x
  2. Step 2: Convert to fraction form
    19,379.22/29,068.74 = 12,834.72/x
  3. Step 3: Cross multiply
    19,379.22x = 29,068.74 × 12,834.72
  4. Step 4: Simplify right side
    19,379.22x = 373,089,138.65
  5. Step 5: Solve for x
    x = 373,089,138.65/19,379.22
  6. Step 6: Final answer
    x = 19,252.02

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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.