Home / 19,245.67-26,544.32-13,287.31

Finding the Fourth Proportional to 19,245.67, 26,544.32 and 13,287.31

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Solution

The fourth proportional to 19,245.67, 26,544.32 and 13,287.31 is: 18,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,245.67 : 26,544.32 = 13,287.31 : x
  2. Step 2: Convert to fraction form
    19,245.67/26,544.32 = 13,287.31/x
  3. Step 3: Cross multiply
    19,245.67x = 26,544.32 × 13,287.31
  4. Step 4: Simplify right side
    19,245.67x = 352,702,542.14
  5. Step 5: Solve for x
    x = 352,702,542.14/19,245.67
  6. Step 6: Final answer
    x = 18,326.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.