Home / 15,554.25-23,331.38-5,166

Finding the Fourth Proportional to 15,554.25, 23,331.38 and 5,166

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Solution

The fourth proportional to 15,554.25, 23,331.38 and 5,166 is: 7,749

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.25 : 23,331.38 = 5,166 : x
  2. Step 2: Convert to fraction form
    15,554.25/23,331.38 = 5,166/x
  3. Step 3: Cross multiply
    15,554.25x = 23,331.38 × 5,166
  4. Step 4: Simplify right side
    15,554.25x = 120,529,883.25
  5. Step 5: Solve for x
    x = 120,529,883.25/15,554.25
  6. Step 6: Final answer
    x = 7,749

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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.