Home / 11,760.99-16,230.60-6,455.76

Finding the Fourth Proportional to 11,760.99, 16,230.60 and 6,455.76

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Solution

The fourth proportional to 11,760.99, 16,230.60 and 6,455.76 is: 8,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,760.99 : 16,230.60 = 6,455.76 : x
  2. Step 2: Convert to fraction form
    11,760.99/16,230.60 = 6,455.76/x
  3. Step 3: Cross multiply
    11,760.99x = 16,230.60 × 6,455.76
  4. Step 4: Simplify right side
    11,760.99x = 104,780,858.26
  5. Step 5: Solve for x
    x = 104,780,858.26/11,760.99
  6. Step 6: Final answer
    x = 8,909.19

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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.