Home / 13,460.43-20,185.17-5,862.12

Finding the Fourth Proportional to 13,460.43, 20,185.17 and 5,862.12

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Solution

The fourth proportional to 13,460.43, 20,185.17 and 5,862.12 is: 8,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460.43 : 20,185.17 = 5,862.12 : x
  2. Step 2: Convert to fraction form
    13,460.43/20,185.17 = 5,862.12/x
  3. Step 3: Cross multiply
    13,460.43x = 20,185.17 × 5,862.12
  4. Step 4: Simplify right side
    13,460.43x = 118,327,954.09
  5. Step 5: Solve for x
    x = 118,327,954.09/13,460.43
  6. Step 6: Final answer
    x = 8,790.80

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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.