Home / 14,346.50-21,517.32-3,816.68

Finding the Fourth Proportional to 14,346.50, 21,517.32 and 3,816.68

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Solution

The fourth proportional to 14,346.50, 21,517.32 and 3,816.68 is: 5,724.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.50 : 21,517.32 = 3,816.68 : x
  2. Step 2: Convert to fraction form
    14,346.50/21,517.32 = 3,816.68/x
  3. Step 3: Cross multiply
    14,346.50x = 21,517.32 × 3,816.68
  4. Step 4: Simplify right side
    14,346.50x = 82,124,724.90
  5. Step 5: Solve for x
    x = 82,124,724.90/14,346.50
  6. Step 6: Final answer
    x = 5,724.37

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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.