Home / 14,974.42-20,664.84-8,260.29

Finding the Fourth Proportional to 14,974.42, 20,664.84 and 8,260.29

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Solution

The fourth proportional to 14,974.42, 20,664.84 and 8,260.29 is: 11,399.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.42 : 20,664.84 = 8,260.29 : x
  2. Step 2: Convert to fraction form
    14,974.42/20,664.84 = 8,260.29/x
  3. Step 3: Cross multiply
    14,974.42x = 20,664.84 × 8,260.29
  4. Step 4: Simplify right side
    14,974.42x = 170,697,571.20
  5. Step 5: Solve for x
    x = 170,697,571.20/14,974.42
  6. Step 6: Final answer
    x = 11,399.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.