Home / 18,922.68-26,099.82-12,954.60

Finding the Fourth Proportional to 18,922.68, 26,099.82 and 12,954.60

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Solution

The fourth proportional to 18,922.68, 26,099.82 and 12,954.60 is: 17,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,922.68 : 26,099.82 = 12,954.60 : x
  2. Step 2: Convert to fraction form
    18,922.68/26,099.82 = 12,954.60/x
  3. Step 3: Cross multiply
    18,922.68x = 26,099.82 × 12,954.60
  4. Step 4: Simplify right side
    18,922.68x = 338,112,728.17
  5. Step 5: Solve for x
    x = 338,112,728.17/18,922.68
  6. Step 6: Final answer
    x = 17,868.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.