Home / 19,257.57-28,880.62-8,164.08

Finding the Fourth Proportional to 19,257.57, 28,880.62 and 8,164.08

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Solution

The fourth proportional to 19,257.57, 28,880.62 and 8,164.08 is: 12,243.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,257.57 : 28,880.62 = 8,164.08 : x
  2. Step 2: Convert to fraction form
    19,257.57/28,880.62 = 8,164.08/x
  3. Step 3: Cross multiply
    19,257.57x = 28,880.62 × 8,164.08
  4. Step 4: Simplify right side
    19,257.57x = 235,783,671.72
  5. Step 5: Solve for x
    x = 235,783,671.72/19,257.57
  6. Step 6: Final answer
    x = 12,243.69

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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.