Home / 13,196.26-19,790.92-4,878.65

Finding the Fourth Proportional to 13,196.26, 19,790.92 and 4,878.65

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Solution

The fourth proportional to 13,196.26, 19,790.92 and 4,878.65 is: 7,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196.26 : 19,790.92 = 4,878.65 : x
  2. Step 2: Convert to fraction form
    13,196.26/19,790.92 = 4,878.65/x
  3. Step 3: Cross multiply
    13,196.26x = 19,790.92 × 4,878.65
  4. Step 4: Simplify right side
    13,196.26x = 96,552,999.47
  5. Step 5: Solve for x
    x = 96,552,999.47/13,196.26
  6. Step 6: Final answer
    x = 7,316.70

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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.