Home / 17,039.58-25,530.75-12,858.54

Finding the Fourth Proportional to 17,039.58, 25,530.75 and 12,858.54

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Solution

The fourth proportional to 17,039.58, 25,530.75 and 12,858.54 is: 19,266.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,039.58 : 25,530.75 = 12,858.54 : x
  2. Step 2: Convert to fraction form
    17,039.58/25,530.75 = 12,858.54/x
  3. Step 3: Cross multiply
    17,039.58x = 25,530.75 × 12,858.54
  4. Step 4: Simplify right side
    17,039.58x = 328,288,170.11
  5. Step 5: Solve for x
    x = 328,288,170.11/17,039.58
  6. Step 6: Final answer
    x = 19,266.21

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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.