Home / 12,188.14-18,284.95-4,396.95

Finding the Fourth Proportional to 12,188.14, 18,284.95 and 4,396.95

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Solution

The fourth proportional to 12,188.14, 18,284.95 and 4,396.95 is: 6,596.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188.14 : 18,284.95 = 4,396.95 : x
  2. Step 2: Convert to fraction form
    12,188.14/18,284.95 = 4,396.95/x
  3. Step 3: Cross multiply
    12,188.14x = 18,284.95 × 4,396.95
  4. Step 4: Simplify right side
    12,188.14x = 80,398,010.90
  5. Step 5: Solve for x
    x = 80,398,010.90/12,188.14
  6. Step 6: Final answer
    x = 6,596.41

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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.