Home / 11,618.44-17,395.76-8,111.95

Finding the Fourth Proportional to 11,618.44, 17,395.76 and 8,111.95

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Solution

The fourth proportional to 11,618.44, 17,395.76 and 8,111.95 is: 12,145.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.44 : 17,395.76 = 8,111.95 : x
  2. Step 2: Convert to fraction form
    11,618.44/17,395.76 = 8,111.95/x
  3. Step 3: Cross multiply
    11,618.44x = 17,395.76 × 8,111.95
  4. Step 4: Simplify right side
    11,618.44x = 141,113,512.12
  5. Step 5: Solve for x
    x = 141,113,512.12/11,618.44
  6. Step 6: Final answer
    x = 12,145.65

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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.