Home / 13,185.67-19,764.67-4,860.38

Finding the Fourth Proportional to 13,185.67, 19,764.67 and 4,860.38

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Solution

The fourth proportional to 13,185.67, 19,764.67 and 4,860.38 is: 7,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.67 : 19,764.67 = 4,860.38 : x
  2. Step 2: Convert to fraction form
    13,185.67/19,764.67 = 4,860.38/x
  3. Step 3: Cross multiply
    13,185.67x = 19,764.67 × 4,860.38
  4. Step 4: Simplify right side
    13,185.67x = 96,063,804.40
  5. Step 5: Solve for x
    x = 96,063,804.40/13,185.67
  6. Step 6: Final answer
    x = 7,285.47

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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.