Home / 14,170.94-21,254.78-3,783.50

Finding the Fourth Proportional to 14,170.94, 21,254.78 and 3,783.50

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Solution

The fourth proportional to 14,170.94, 21,254.78 and 3,783.50 is: 5,674.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.94 : 21,254.78 = 3,783.50 : x
  2. Step 2: Convert to fraction form
    14,170.94/21,254.78 = 3,783.50/x
  3. Step 3: Cross multiply
    14,170.94x = 21,254.78 × 3,783.50
  4. Step 4: Simplify right side
    14,170.94x = 80,417,363.31
  5. Step 5: Solve for x
    x = 80,417,363.31/14,170.94
  6. Step 6: Final answer
    x = 5,674.81

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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.