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Finding the Fourth Proportional to 12,052.64, 18,060.32 and 8,362.08

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Solution

The fourth proportional to 12,052.64, 18,060.32 and 8,362.08 is: 12,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,052.64 : 18,060.32 = 8,362.08 : x
  2. Step 2: Convert to fraction form
    12,052.64/18,060.32 = 8,362.08/x
  3. Step 3: Cross multiply
    12,052.64x = 18,060.32 × 8,362.08
  4. Step 4: Simplify right side
    12,052.64x = 151,021,840.67
  5. Step 5: Solve for x
    x = 151,021,840.67/12,052.64
  6. Step 6: Final answer
    x = 12,530.19

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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.