Home / 18,768.84-25,857.05-13,093.30

Finding the Fourth Proportional to 18,768.84, 25,857.05 and 13,093.30

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Solution

The fourth proportional to 18,768.84, 25,857.05 and 13,093.30 is: 18,038.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.84 : 25,857.05 = 13,093.30 : x
  2. Step 2: Convert to fraction form
    18,768.84/25,857.05 = 13,093.30/x
  3. Step 3: Cross multiply
    18,768.84x = 25,857.05 × 13,093.30
  4. Step 4: Simplify right side
    18,768.84x = 338,554,112.77
  5. Step 5: Solve for x
    x = 338,554,112.77/18,768.84
  6. Step 6: Final answer
    x = 18,038.09

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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.