Home / 14,742.41-20,344.89-8,028.40

Finding the Fourth Proportional to 14,742.41, 20,344.89 and 8,028.40

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Solution

The fourth proportional to 14,742.41, 20,344.89 and 8,028.40 is: 11,079.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.41 : 20,344.89 = 8,028.40 : x
  2. Step 2: Convert to fraction form
    14,742.41/20,344.89 = 8,028.40/x
  3. Step 3: Cross multiply
    14,742.41x = 20,344.89 × 8,028.40
  4. Step 4: Simplify right side
    14,742.41x = 163,336,874.73
  5. Step 5: Solve for x
    x = 163,336,874.73/14,742.41
  6. Step 6: Final answer
    x = 11,079.39

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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.