Home / 14,313.12-21,469.92-3,925.12

Finding the Fourth Proportional to 14,313.12, 21,469.92 and 3,925.12

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Solution

The fourth proportional to 14,313.12, 21,469.92 and 3,925.12 is: 5,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,313.12 : 21,469.92 = 3,925.12 : x
  2. Step 2: Convert to fraction form
    14,313.12/21,469.92 = 3,925.12/x
  3. Step 3: Cross multiply
    14,313.12x = 21,469.92 × 3,925.12
  4. Step 4: Simplify right side
    14,313.12x = 84,272,012.39
  5. Step 5: Solve for x
    x = 84,272,012.39/14,313.12
  6. Step 6: Final answer
    x = 5,887.75

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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.