Home / 18,974.73-26,186.63-11,019.45

Finding the Fourth Proportional to 18,974.73, 26,186.63 and 11,019.45

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Solution

The fourth proportional to 18,974.73, 26,186.63 and 11,019.45 is: 15,207.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974.73 : 26,186.63 = 11,019.45 : x
  2. Step 2: Convert to fraction form
    18,974.73/26,186.63 = 11,019.45/x
  3. Step 3: Cross multiply
    18,974.73x = 26,186.63 × 11,019.45
  4. Step 4: Simplify right side
    18,974.73x = 288,562,204.86
  5. Step 5: Solve for x
    x = 288,562,204.86/18,974.73
  6. Step 6: Final answer
    x = 15,207.71

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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.