Home / 14,192.26-21,172.32-13,185.43

Finding the Fourth Proportional to 14,192.26, 21,172.32 and 13,185.43

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Solution

The fourth proportional to 14,192.26, 21,172.32 and 13,185.43 is: 19,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,192.26 : 21,172.32 = 13,185.43 : x
  2. Step 2: Convert to fraction form
    14,192.26/21,172.32 = 13,185.43/x
  3. Step 3: Cross multiply
    14,192.26x = 21,172.32 × 13,185.43
  4. Step 4: Simplify right side
    14,192.26x = 279,166,090.37
  5. Step 5: Solve for x
    x = 279,166,090.37/14,192.26
  6. Step 6: Final answer
    x = 19,670.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.