Home / 13,238.82-19,858.23-4,918.65

Finding the Fourth Proportional to 13,238.82, 19,858.23 and 4,918.65

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Solution

The fourth proportional to 13,238.82, 19,858.23 and 4,918.65 is: 7,377.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.82 : 19,858.23 = 4,918.65 : x
  2. Step 2: Convert to fraction form
    13,238.82/19,858.23 = 4,918.65/x
  3. Step 3: Cross multiply
    13,238.82x = 19,858.23 × 4,918.65
  4. Step 4: Simplify right side
    13,238.82x = 97,675,682.99
  5. Step 5: Solve for x
    x = 97,675,682.99/13,238.82
  6. Step 6: Final answer
    x = 7,377.98

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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.