Home / 18,239.39-25,170.37-9,855.89

Finding the Fourth Proportional to 18,239.39, 25,170.37 and 9,855.89

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Solution

The fourth proportional to 18,239.39, 25,170.37 and 9,855.89 is: 13,601.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.39 : 25,170.37 = 9,855.89 : x
  2. Step 2: Convert to fraction form
    18,239.39/25,170.37 = 9,855.89/x
  3. Step 3: Cross multiply
    18,239.39x = 25,170.37 × 9,855.89
  4. Step 4: Simplify right side
    18,239.39x = 248,076,272.13
  5. Step 5: Solve for x
    x = 248,076,272.13/18,239.39
  6. Step 6: Final answer
    x = 13,601.13

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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.