Home / 10,361.88-15,538.01-3,340.58

Finding the Fourth Proportional to 10,361.88, 15,538.01 and 3,340.58

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Solution

The fourth proportional to 10,361.88, 15,538.01 and 3,340.58 is: 5,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.88 : 15,538.01 = 3,340.58 : x
  2. Step 2: Convert to fraction form
    10,361.88/15,538.01 = 3,340.58/x
  3. Step 3: Cross multiply
    10,361.88x = 15,538.01 × 3,340.58
  4. Step 4: Simplify right side
    10,361.88x = 51,905,871.05
  5. Step 5: Solve for x
    x = 51,905,871.05/10,361.88
  6. Step 6: Final answer
    x = 5,009.31

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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.