Home / 14,174.43-21,259.20-3,783.75

Finding the Fourth Proportional to 14,174.43, 21,259.20 and 3,783.75

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Solution

The fourth proportional to 14,174.43, 21,259.20 and 3,783.75 is: 5,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,174.43 : 21,259.20 = 3,783.75 : x
  2. Step 2: Convert to fraction form
    14,174.43/21,259.20 = 3,783.75/x
  3. Step 3: Cross multiply
    14,174.43x = 21,259.20 × 3,783.75
  4. Step 4: Simplify right side
    14,174.43x = 80,439,498
  5. Step 5: Solve for x
    x = 80,439,498/14,174.43
  6. Step 6: Final answer
    x = 5,674.97

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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.