Home / 9,623.25-13,280.09-5,431.77

Finding the Fourth Proportional to 9,623.25, 13,280.09 and 5,431.77

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Solution

The fourth proportional to 9,623.25, 13,280.09 and 5,431.77 is: 7,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,623.25 : 13,280.09 = 5,431.77 : x
  2. Step 2: Convert to fraction form
    9,623.25/13,280.09 = 5,431.77/x
  3. Step 3: Cross multiply
    9,623.25x = 13,280.09 × 5,431.77
  4. Step 4: Simplify right side
    9,623.25x = 72,134,367.30
  5. Step 5: Solve for x
    x = 72,134,367.30/9,623.25
  6. Step 6: Final answer
    x = 7,495.84

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