Home / 14,190.75-21,289.20-4,329.75

Finding the Fourth Proportional to 14,190.75, 21,289.20 and 4,329.75

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Solution

The fourth proportional to 14,190.75, 21,289.20 and 4,329.75 is: 6,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.75 : 21,289.20 = 4,329.75 : x
  2. Step 2: Convert to fraction form
    14,190.75/21,289.20 = 4,329.75/x
  3. Step 3: Cross multiply
    14,190.75x = 21,289.20 × 4,329.75
  4. Step 4: Simplify right side
    14,190.75x = 92,176,913.70
  5. Step 5: Solve for x
    x = 92,176,913.70/14,190.75
  6. Step 6: Final answer
    x = 6,495.56

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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.