Home / 25,186.14-34,754.40-13,855.44

Finding the Fourth Proportional to 25,186.14, 34,754.40 and 13,855.44

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Solution

The fourth proportional to 25,186.14, 34,754.40 and 13,855.44 is: 19,119.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.14 : 34,754.40 = 13,855.44 : x
  2. Step 2: Convert to fraction form
    25,186.14/34,754.40 = 13,855.44/x
  3. Step 3: Cross multiply
    25,186.14x = 34,754.40 × 13,855.44
  4. Step 4: Simplify right side
    25,186.14x = 481,537,503.94
  5. Step 5: Solve for x
    x = 481,537,503.94/25,186.14
  6. Step 6: Final answer
    x = 19,119.15

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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.