Home / 18,239.04-25,169.88-9,855.54

Finding the Fourth Proportional to 18,239.04, 25,169.88 and 9,855.54

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Solution

The fourth proportional to 18,239.04, 25,169.88 and 9,855.54 is: 13,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.04 : 25,169.88 = 9,855.54 : x
  2. Step 2: Convert to fraction form
    18,239.04/25,169.88 = 9,855.54/x
  3. Step 3: Cross multiply
    18,239.04x = 25,169.88 × 9,855.54
  4. Step 4: Simplify right side
    18,239.04x = 248,062,759.14
  5. Step 5: Solve for x
    x = 248,062,759.14/18,239.04
  6. Step 6: Final answer
    x = 13,600.65

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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.