Home / 14,318.64-21,477.96-3,930.66

Finding the Fourth Proportional to 14,318.64, 21,477.96 and 3,930.66

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Solution

The fourth proportional to 14,318.64, 21,477.96 and 3,930.66 is: 5,895.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.64 : 21,477.96 = 3,930.66 : x
  2. Step 2: Convert to fraction form
    14,318.64/21,477.96 = 3,930.66/x
  3. Step 3: Cross multiply
    14,318.64x = 21,477.96 × 3,930.66
  4. Step 4: Simplify right side
    14,318.64x = 84,422,558.25
  5. Step 5: Solve for x
    x = 84,422,558.25/14,318.64
  6. Step 6: Final answer
    x = 5,895.99

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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.