Home / 12,262.64-18,396.70-4,471.45

Finding the Fourth Proportional to 12,262.64, 18,396.70 and 4,471.45

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Solution

The fourth proportional to 12,262.64, 18,396.70 and 4,471.45 is: 6,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.64 : 18,396.70 = 4,471.45 : x
  2. Step 2: Convert to fraction form
    12,262.64/18,396.70 = 4,471.45/x
  3. Step 3: Cross multiply
    12,262.64x = 18,396.70 × 4,471.45
  4. Step 4: Simplify right side
    12,262.64x = 82,259,995.68
  5. Step 5: Solve for x
    x = 82,259,995.68/12,262.64
  6. Step 6: Final answer
    x = 6,708.18

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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.