Home / 13,673.97-20,513.70-4,315.43

Finding the Fourth Proportional to 13,673.97, 20,513.70 and 4,315.43

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Solution

The fourth proportional to 13,673.97, 20,513.70 and 4,315.43 is: 6,474.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673.97 : 20,513.70 = 4,315.43 : x
  2. Step 2: Convert to fraction form
    13,673.97/20,513.70 = 4,315.43/x
  3. Step 3: Cross multiply
    13,673.97x = 20,513.70 × 4,315.43
  4. Step 4: Simplify right side
    13,673.97x = 88,525,487.68
  5. Step 5: Solve for x
    x = 88,525,487.68/13,673.97
  6. Step 6: Final answer
    x = 6,474.02

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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.