Home / 13,743.95-20,608.56-4,381.43

Finding the Fourth Proportional to 13,743.95, 20,608.56 and 4,381.43

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Solution

The fourth proportional to 13,743.95, 20,608.56 and 4,381.43 is: 6,569.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.95 : 20,608.56 = 4,381.43 : x
  2. Step 2: Convert to fraction form
    13,743.95/20,608.56 = 4,381.43/x
  3. Step 3: Cross multiply
    13,743.95x = 20,608.56 × 4,381.43
  4. Step 4: Simplify right side
    13,743.95x = 90,294,860.00
  5. Step 5: Solve for x
    x = 90,294,860.00/13,743.95
  6. Step 6: Final answer
    x = 6,569.79

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1.5x scale

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.