Home / 19,223.89-28,827.16-8,124.86

Finding the Fourth Proportional to 19,223.89, 28,827.16 and 8,124.86

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Solution

The fourth proportional to 19,223.89, 28,827.16 and 8,124.86 is: 12,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.89 : 28,827.16 = 8,124.86 : x
  2. Step 2: Convert to fraction form
    19,223.89/28,827.16 = 8,124.86/x
  3. Step 3: Cross multiply
    19,223.89x = 28,827.16 × 8,124.86
  4. Step 4: Simplify right side
    19,223.89x = 234,216,690.95
  5. Step 5: Solve for x
    x = 234,216,690.95/19,223.89
  6. Step 6: Final answer
    x = 12,183.63

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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.