Home / 16,960.36-23,403.84-9,887.44

Finding the Fourth Proportional to 16,960.36, 23,403.84 and 9,887.44

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Solution

The fourth proportional to 16,960.36, 23,403.84 and 9,887.44 is: 13,643.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.36 : 23,403.84 = 9,887.44 : x
  2. Step 2: Convert to fraction form
    16,960.36/23,403.84 = 9,887.44/x
  3. Step 3: Cross multiply
    16,960.36x = 23,403.84 × 9,887.44
  4. Step 4: Simplify right side
    16,960.36x = 231,404,063.77
  5. Step 5: Solve for x
    x = 231,404,063.77/16,960.36
  6. Step 6: Final answer
    x = 13,643.82

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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.