Home / 14,164.89-21,247.38-3,776.64

Finding the Fourth Proportional to 14,164.89, 21,247.38 and 3,776.64

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Solution

The fourth proportional to 14,164.89, 21,247.38 and 3,776.64 is: 5,664.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.89 : 21,247.38 = 3,776.64 : x
  2. Step 2: Convert to fraction form
    14,164.89/21,247.38 = 3,776.64/x
  3. Step 3: Cross multiply
    14,164.89x = 21,247.38 × 3,776.64
  4. Step 4: Simplify right side
    14,164.89x = 80,243,705.20
  5. Step 5: Solve for x
    x = 80,243,705.20/14,164.89
  6. Step 6: Final answer
    x = 5,664.97

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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.