Home / 14,170.75-21,254.50-3,783.31

Finding the Fourth Proportional to 14,170.75, 21,254.50 and 3,783.31

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Solution

The fourth proportional to 14,170.75, 21,254.50 and 3,783.31 is: 5,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.75 : 21,254.50 = 3,783.31 : x
  2. Step 2: Convert to fraction form
    14,170.75/21,254.50 = 3,783.31/x
  3. Step 3: Cross multiply
    14,170.75x = 21,254.50 × 3,783.31
  4. Step 4: Simplify right side
    14,170.75x = 80,412,313.99
  5. Step 5: Solve for x
    x = 80,412,313.99/14,170.75
  6. Step 6: Final answer
    x = 5,674.53

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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.