Home / 11,760.88-16,230.30-6,455.64

Finding the Fourth Proportional to 11,760.88, 16,230.30 and 6,455.64

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Solution

The fourth proportional to 11,760.88, 16,230.30 and 6,455.64 is: 8,908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.88 : 16,230.30 = 6,455.64 : x
  2. Step 2: Convert to fraction form
    11,760.88/16,230.30 = 6,455.64/x
  3. Step 3: Cross multiply
    11,760.88x = 16,230.30 × 6,455.64
  4. Step 4: Simplify right side
    11,760.88x = 104,776,973.89
  5. Step 5: Solve for x
    x = 104,776,973.89/11,760.88
  6. Step 6: Final answer
    x = 8,908.94

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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.