Home / 9,745.89-14,621.15-3,172.08

Finding the Fourth Proportional to 9,745.89, 14,621.15 and 3,172.08

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Solution

The fourth proportional to 9,745.89, 14,621.15 and 3,172.08 is: 4,758.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,745.89 : 14,621.15 = 3,172.08 : x
  2. Step 2: Convert to fraction form
    9,745.89/14,621.15 = 3,172.08/x
  3. Step 3: Cross multiply
    9,745.89x = 14,621.15 × 3,172.08
  4. Step 4: Simplify right side
    9,745.89x = 46,379,368.53
  5. Step 5: Solve for x
    x = 46,379,368.53/9,745.89
  6. Step 6: Final answer
    x = 4,758.86

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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.