Home / 10,021.56-15,047.62-8,481.74

Finding the Fourth Proportional to 10,021.56, 15,047.62 and 8,481.74

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Solution

The fourth proportional to 10,021.56, 15,047.62 and 8,481.74 is: 12,735.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,021.56 : 15,047.62 = 8,481.74 : x
  2. Step 2: Convert to fraction form
    10,021.56/15,047.62 = 8,481.74/x
  3. Step 3: Cross multiply
    10,021.56x = 15,047.62 × 8,481.74
  4. Step 4: Simplify right side
    10,021.56x = 127,630,000.46
  5. Step 5: Solve for x
    x = 127,630,000.46/10,021.56
  6. Step 6: Final answer
    x = 12,735.54

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1.5x scale

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.