Home / 12,858.35-19,289.07-4,536.65

Finding the Fourth Proportional to 12,858.35, 19,289.07 and 4,536.65

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Solution

The fourth proportional to 12,858.35, 19,289.07 and 4,536.65 is: 6,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.35 : 19,289.07 = 4,536.65 : x
  2. Step 2: Convert to fraction form
    12,858.35/19,289.07 = 4,536.65/x
  3. Step 3: Cross multiply
    12,858.35x = 19,289.07 × 4,536.65
  4. Step 4: Simplify right side
    12,858.35x = 87,507,645.96
  5. Step 5: Solve for x
    x = 87,507,645.96/12,858.35
  6. Step 6: Final answer
    x = 6,805.51

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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.