Home / 13,577.93-18,738.29-7,611.53

Finding the Fourth Proportional to 13,577.93, 18,738.29 and 7,611.53

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Solution

The fourth proportional to 13,577.93, 18,738.29 and 7,611.53 is: 10,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.93 : 18,738.29 = 7,611.53 : x
  2. Step 2: Convert to fraction form
    13,577.93/18,738.29 = 7,611.53/x
  3. Step 3: Cross multiply
    13,577.93x = 18,738.29 × 7,611.53
  4. Step 4: Simplify right side
    13,577.93x = 142,626,924.73
  5. Step 5: Solve for x
    x = 142,626,924.73/13,577.93
  6. Step 6: Final answer
    x = 10,504.32

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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.