Home / 16,679.25-23,021.21-11,015.12

Finding the Fourth Proportional to 16,679.25, 23,021.21 and 11,015.12

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Solution

The fourth proportional to 16,679.25, 23,021.21 and 11,015.12 is: 15,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.25 : 23,021.21 = 11,015.12 : x
  2. Step 2: Convert to fraction form
    16,679.25/23,021.21 = 11,015.12/x
  3. Step 3: Cross multiply
    16,679.25x = 23,021.21 × 11,015.12
  4. Step 4: Simplify right side
    16,679.25x = 253,581,475.79
  5. Step 5: Solve for x
    x = 253,581,475.79/16,679.25
  6. Step 6: Final answer
    x = 15,203.41

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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.