Home / 38,205.52-57,315.16-11,904.08

Finding the Fourth Proportional to 38,205.52, 57,315.16 and 11,904.08

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Solution

The fourth proportional to 38,205.52, 57,315.16 and 11,904.08 is: 17,858.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,205.52 : 57,315.16 = 11,904.08 : x
  2. Step 2: Convert to fraction form
    38,205.52/57,315.16 = 11,904.08/x
  3. Step 3: Cross multiply
    38,205.52x = 57,315.16 × 11,904.08
  4. Step 4: Simplify right side
    38,205.52x = 682,284,249.85
  5. Step 5: Solve for x
    x = 682,284,249.85/38,205.52
  6. Step 6: Final answer
    x = 17,858.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.