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Finding the Fourth Proportional to 23,663.54, 35,481.99 and 7,860.11

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Solution

The fourth proportional to 23,663.54, 35,481.99 and 7,860.11 is: 11,785.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.54 : 35,481.99 = 7,860.11 : x
  2. Step 2: Convert to fraction form
    23,663.54/35,481.99 = 7,860.11/x
  3. Step 3: Cross multiply
    23,663.54x = 35,481.99 × 7,860.11
  4. Step 4: Simplify right side
    23,663.54x = 278,892,167.01
  5. Step 5: Solve for x
    x = 278,892,167.01/23,663.54
  6. Step 6: Final answer
    x = 11,785.74

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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.