Home / 13,170.43-19,751.53-4,403.30

Finding the Fourth Proportional to 13,170.43, 19,751.53 and 4,403.30

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Solution

The fourth proportional to 13,170.43, 19,751.53 and 4,403.30 is: 6,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,170.43 : 19,751.53 = 4,403.30 : x
  2. Step 2: Convert to fraction form
    13,170.43/19,751.53 = 4,403.30/x
  3. Step 3: Cross multiply
    13,170.43x = 19,751.53 × 4,403.30
  4. Step 4: Simplify right side
    13,170.43x = 86,971,912.05
  5. Step 5: Solve for x
    x = 86,971,912.05/13,170.43
  6. Step 6: Final answer
    x = 6,603.57

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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.