Home / 12,193.07-18,289.53-4,293.74

Finding the Fourth Proportional to 12,193.07, 18,289.53 and 4,293.74

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Solution

The fourth proportional to 12,193.07, 18,289.53 and 4,293.74 is: 6,440.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,193.07 : 18,289.53 = 4,293.74 : x
  2. Step 2: Convert to fraction form
    12,193.07/18,289.53 = 4,293.74/x
  3. Step 3: Cross multiply
    12,193.07x = 18,289.53 × 4,293.74
  4. Step 4: Simplify right side
    12,193.07x = 78,530,532.27
  5. Step 5: Solve for x
    x = 78,530,532.27/12,193.07
  6. Step 6: Final answer
    x = 6,440.59

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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.