Home / 18,087.84-27,131.76-4,941.54

Finding the Fourth Proportional to 18,087.84, 27,131.76 and 4,941.54

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Solution

The fourth proportional to 18,087.84, 27,131.76 and 4,941.54 is: 7,412.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,087.84 : 27,131.76 = 4,941.54 : x
  2. Step 2: Convert to fraction form
    18,087.84/27,131.76 = 4,941.54/x
  3. Step 3: Cross multiply
    18,087.84x = 27,131.76 × 4,941.54
  4. Step 4: Simplify right side
    18,087.84x = 134,072,677.31
  5. Step 5: Solve for x
    x = 134,072,677.31/18,087.84
  6. Step 6: Final answer
    x = 7,412.31

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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.