Home / 16,782.88-25,163.28-9,388.12

Finding the Fourth Proportional to 16,782.88, 25,163.28 and 9,388.12

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Solution

The fourth proportional to 16,782.88, 25,163.28 and 9,388.12 is: 14,076.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.88 : 25,163.28 = 9,388.12 : x
  2. Step 2: Convert to fraction form
    16,782.88/25,163.28 = 9,388.12/x
  3. Step 3: Cross multiply
    16,782.88x = 25,163.28 × 9,388.12
  4. Step 4: Simplify right side
    16,782.88x = 236,235,892.23
  5. Step 5: Solve for x
    x = 236,235,892.23/16,782.88
  6. Step 6: Final answer
    x = 14,076.00

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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.