Home / 15,611.53-23,418.48-4,518.31

Finding the Fourth Proportional to 15,611.53, 23,418.48 and 4,518.31

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Solution

The fourth proportional to 15,611.53, 23,418.48 and 4,518.31 is: 6,777.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,611.53 : 23,418.48 = 4,518.31 : x
  2. Step 2: Convert to fraction form
    15,611.53/23,418.48 = 4,518.31/x
  3. Step 3: Cross multiply
    15,611.53x = 23,418.48 × 4,518.31
  4. Step 4: Simplify right side
    15,611.53x = 105,811,952.37
  5. Step 5: Solve for x
    x = 105,811,952.37/15,611.53
  6. Step 6: Final answer
    x = 6,777.81

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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.