Home / 14,742.57-20,344.61-8,028.18

Finding the Fourth Proportional to 14,742.57, 20,344.61 and 8,028.18

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Solution

The fourth proportional to 14,742.57, 20,344.61 and 8,028.18 is: 11,078.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.57 : 20,344.61 = 8,028.18 : x
  2. Step 2: Convert to fraction form
    14,742.57/20,344.61 = 8,028.18/x
  3. Step 3: Cross multiply
    14,742.57x = 20,344.61 × 8,028.18
  4. Step 4: Simplify right side
    14,742.57x = 163,330,150.97
  5. Step 5: Solve for x
    x = 163,330,150.97/14,742.57
  6. Step 6: Final answer
    x = 11,078.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.