Home / 18,794.49-28,194.90-6,315.69

Finding the Fourth Proportional to 18,794.49, 28,194.90 and 6,315.69

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Solution

The fourth proportional to 18,794.49, 28,194.90 and 6,315.69 is: 9,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.49 : 28,194.90 = 6,315.69 : x
  2. Step 2: Convert to fraction form
    18,794.49/28,194.90 = 6,315.69/x
  3. Step 3: Cross multiply
    18,794.49x = 28,194.90 × 6,315.69
  4. Step 4: Simplify right side
    18,794.49x = 178,070,247.98
  5. Step 5: Solve for x
    x = 178,070,247.98/18,794.49
  6. Step 6: Final answer
    x = 9,474.60

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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.