Home / 15,771.30-23,607.73-11,616

Finding the Fourth Proportional to 15,771.30, 23,607.73 and 11,616

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Solution

The fourth proportional to 15,771.30, 23,607.73 and 11,616 is: 17,387.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.30 : 23,607.73 = 11,616 : x
  2. Step 2: Convert to fraction form
    15,771.30/23,607.73 = 11,616/x
  3. Step 3: Cross multiply
    15,771.30x = 23,607.73 × 11,616
  4. Step 4: Simplify right side
    15,771.30x = 274,227,391.68
  5. Step 5: Solve for x
    x = 274,227,391.68/15,771.30
  6. Step 6: Final answer
    x = 17,387.75

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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.