Home / 14,179.89-21,273.30-4,318.65

Finding the Fourth Proportional to 14,179.89, 21,273.30 and 4,318.65

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Solution

The fourth proportional to 14,179.89, 21,273.30 and 4,318.65 is: 6,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.89 : 21,273.30 = 4,318.65 : x
  2. Step 2: Convert to fraction form
    14,179.89/21,273.30 = 4,318.65/x
  3. Step 3: Cross multiply
    14,179.89x = 21,273.30 × 4,318.65
  4. Step 4: Simplify right side
    14,179.89x = 91,871,937.05
  5. Step 5: Solve for x
    x = 91,871,937.05/14,179.89
  6. Step 6: Final answer
    x = 6,479.03

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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.