Home / 11,390.63-17,093.53-4,376.43

Finding the Fourth Proportional to 11,390.63, 17,093.53 and 4,376.43

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Solution

The fourth proportional to 11,390.63, 17,093.53 and 4,376.43 is: 6,567.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,390.63 : 17,093.53 = 4,376.43 : x
  2. Step 2: Convert to fraction form
    11,390.63/17,093.53 = 4,376.43/x
  3. Step 3: Cross multiply
    11,390.63x = 17,093.53 × 4,376.43
  4. Step 4: Simplify right side
    11,390.63x = 74,808,642.97
  5. Step 5: Solve for x
    x = 74,808,642.97/11,390.63
  6. Step 6: Final answer
    x = 6,567.56

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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.