Home / 12,176.16-18,257.25-4,771.95

Finding the Fourth Proportional to 12,176.16, 18,257.25 and 4,771.95

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Solution

The fourth proportional to 12,176.16, 18,257.25 and 4,771.95 is: 7,155.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,176.16 : 18,257.25 = 4,771.95 : x
  2. Step 2: Convert to fraction form
    12,176.16/18,257.25 = 4,771.95/x
  3. Step 3: Cross multiply
    12,176.16x = 18,257.25 × 4,771.95
  4. Step 4: Simplify right side
    12,176.16x = 87,122,684.14
  5. Step 5: Solve for x
    x = 87,122,684.14/12,176.16
  6. Step 6: Final answer
    x = 7,155.19

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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.