Home / 12,823.58-19,195.26-8,314.58

Finding the Fourth Proportional to 12,823.58, 19,195.26 and 8,314.58

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Solution

The fourth proportional to 12,823.58, 19,195.26 and 8,314.58 is: 12,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,823.58 : 19,195.26 = 8,314.58 : x
  2. Step 2: Convert to fraction form
    12,823.58/19,195.26 = 8,314.58/x
  3. Step 3: Cross multiply
    12,823.58x = 19,195.26 × 8,314.58
  4. Step 4: Simplify right side
    12,823.58x = 159,600,524.89
  5. Step 5: Solve for x
    x = 159,600,524.89/12,823.58
  6. Step 6: Final answer
    x = 12,445.86

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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.