Home / 16,986.24-25,444.80-11,145.60

Finding the Fourth Proportional to 16,986.24, 25,444.80 and 11,145.60

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Solution

The fourth proportional to 16,986.24, 25,444.80 and 11,145.60 is: 16,695.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986.24 : 25,444.80 = 11,145.60 : x
  2. Step 2: Convert to fraction form
    16,986.24/25,444.80 = 11,145.60/x
  3. Step 3: Cross multiply
    16,986.24x = 25,444.80 × 11,145.60
  4. Step 4: Simplify right side
    16,986.24x = 283,597,562.88
  5. Step 5: Solve for x
    x = 283,597,562.88/16,986.24
  6. Step 6: Final answer
    x = 16,695.72

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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.