Home / 15,774.56-21,768.60-8,604.54

Finding the Fourth Proportional to 15,774.56, 21,768.60 and 8,604.54

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Solution

The fourth proportional to 15,774.56, 21,768.60 and 8,604.54 is: 11,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774.56 : 21,768.60 = 8,604.54 : x
  2. Step 2: Convert to fraction form
    15,774.56/21,768.60 = 8,604.54/x
  3. Step 3: Cross multiply
    15,774.56x = 21,768.60 × 8,604.54
  4. Step 4: Simplify right side
    15,774.56x = 187,308,789.44
  5. Step 5: Solve for x
    x = 187,308,789.44/15,774.56
  6. Step 6: Final answer
    x = 11,874.11

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1.5x scale

Why These Related Problems?

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