Home / 12,361.34-18,528.89-4,039.11

Finding the Fourth Proportional to 12,361.34, 18,528.89 and 4,039.11

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Solution

The fourth proportional to 12,361.34, 18,528.89 and 4,039.11 is: 6,054.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,361.34 : 18,528.89 = 4,039.11 : x
  2. Step 2: Convert to fraction form
    12,361.34/18,528.89 = 4,039.11/x
  3. Step 3: Cross multiply
    12,361.34x = 18,528.89 × 4,039.11
  4. Step 4: Simplify right side
    12,361.34x = 74,840,204.69
  5. Step 5: Solve for x
    x = 74,840,204.69/12,361.34
  6. Step 6: Final answer
    x = 6,054.38

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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.