Home / 18,895.33-28,340.84-5,045.41

Finding the Fourth Proportional to 18,895.33, 28,340.84 and 5,045.41

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Solution

The fourth proportional to 18,895.33, 28,340.84 and 5,045.41 is: 7,567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.33 : 28,340.84 = 5,045.41 : x
  2. Step 2: Convert to fraction form
    18,895.33/28,340.84 = 5,045.41/x
  3. Step 3: Cross multiply
    18,895.33x = 28,340.84 × 5,045.41
  4. Step 4: Simplify right side
    18,895.33x = 142,991,132.32
  5. Step 5: Solve for x
    x = 142,991,132.32/18,895.33
  6. Step 6: Final answer
    x = 7,567.54

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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.