Home / 14,149.67-21,227.57-4,289.70

Finding the Fourth Proportional to 14,149.67, 21,227.57 and 4,289.70

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Solution

The fourth proportional to 14,149.67, 21,227.57 and 4,289.70 is: 6,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.67 : 21,227.57 = 4,289.70 : x
  2. Step 2: Convert to fraction form
    14,149.67/21,227.57 = 4,289.70/x
  3. Step 3: Cross multiply
    14,149.67x = 21,227.57 × 4,289.70
  4. Step 4: Simplify right side
    14,149.67x = 91,059,885.58
  5. Step 5: Solve for x
    x = 91,059,885.58/14,149.67
  6. Step 6: Final answer
    x = 6,435.48

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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.