Home / 11,704.13-16,148.45-6,986.69

Finding the Fourth Proportional to 11,704.13, 16,148.45 and 6,986.69

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Solution

The fourth proportional to 11,704.13, 16,148.45 and 6,986.69 is: 9,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,704.13 : 16,148.45 = 6,986.69 : x
  2. Step 2: Convert to fraction form
    11,704.13/16,148.45 = 6,986.69/x
  3. Step 3: Cross multiply
    11,704.13x = 16,148.45 × 6,986.69
  4. Step 4: Simplify right side
    11,704.13x = 112,824,179.20
  5. Step 5: Solve for x
    x = 112,824,179.20/11,704.13
  6. Step 6: Final answer
    x = 9,639.69

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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.