Home / 18,974.96-26,185.38-11,021.84

Finding the Fourth Proportional to 18,974.96, 26,185.38 and 11,021.84

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Solution

The fourth proportional to 18,974.96, 26,185.38 and 11,021.84 is: 15,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.96 : 26,185.38 = 11,021.84 : x
  2. Step 2: Convert to fraction form
    18,974.96/26,185.38 = 11,021.84/x
  3. Step 3: Cross multiply
    18,974.96x = 26,185.38 × 11,021.84
  4. Step 4: Simplify right side
    18,974.96x = 288,611,068.70
  5. Step 5: Solve for x
    x = 288,611,068.70/18,974.96
  6. Step 6: Final answer
    x = 15,210.10

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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.