Home / 18,239.36-25,170.33-9,855.86

Finding the Fourth Proportional to 18,239.36, 25,170.33 and 9,855.86

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Solution

The fourth proportional to 18,239.36, 25,170.33 and 9,855.86 is: 13,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.36 : 25,170.33 = 9,855.86 : x
  2. Step 2: Convert to fraction form
    18,239.36/25,170.33 = 9,855.86/x
  3. Step 3: Cross multiply
    18,239.36x = 25,170.33 × 9,855.86
  4. Step 4: Simplify right side
    18,239.36x = 248,075,122.78
  5. Step 5: Solve for x
    x = 248,075,122.78/18,239.36
  6. Step 6: Final answer
    x = 13,601.09

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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.