Home / 25,183.51-34,753.83-13,853.63

Finding the Fourth Proportional to 25,183.51, 34,753.83 and 13,853.63

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Solution

The fourth proportional to 25,183.51, 34,753.83 and 13,853.63 is: 19,118.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,183.51 : 34,753.83 = 13,853.63 : x
  2. Step 2: Convert to fraction form
    25,183.51/34,753.83 = 13,853.63/x
  3. Step 3: Cross multiply
    25,183.51x = 34,753.83 × 13,853.63
  4. Step 4: Simplify right side
    25,183.51x = 481,466,736.84
  5. Step 5: Solve for x
    x = 481,466,736.84/25,183.51
  6. Step 6: Final answer
    x = 19,118.34

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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.