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Finding the Fourth Proportional to 23,663.30, 35,464.80 and 12,575.30

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Solution

The fourth proportional to 23,663.30, 35,464.80 and 12,575.30 is: 18,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,663.30 : 35,464.80 = 12,575.30 : x
  2. Step 2: Convert to fraction form
    23,663.30/35,464.80 = 12,575.30/x
  3. Step 3: Cross multiply
    23,663.30x = 35,464.80 × 12,575.30
  4. Step 4: Simplify right side
    23,663.30x = 445,980,499.44
  5. Step 5: Solve for x
    x = 445,980,499.44/23,663.30
  6. Step 6: Final answer
    x = 18,846.93

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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.