Home / 16,921.36-23,337.31-12,682.37

Finding the Fourth Proportional to 16,921.36, 23,337.31 and 12,682.37

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Solution

The fourth proportional to 16,921.36, 23,337.31 and 12,682.37 is: 17,491.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.36 : 23,337.31 = 12,682.37 : x
  2. Step 2: Convert to fraction form
    16,921.36/23,337.31 = 12,682.37/x
  3. Step 3: Cross multiply
    16,921.36x = 23,337.31 × 12,682.37
  4. Step 4: Simplify right side
    16,921.36x = 295,972,400.22
  5. Step 5: Solve for x
    x = 295,972,400.22/16,921.36
  6. Step 6: Final answer
    x = 17,491.05

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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.