Home / 11,917.04-16,447.49-6,613.56

Finding the Fourth Proportional to 11,917.04, 16,447.49 and 6,613.56

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Solution

The fourth proportional to 11,917.04, 16,447.49 and 6,613.56 is: 9,127.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,917.04 : 16,447.49 = 6,613.56 : x
  2. Step 2: Convert to fraction form
    11,917.04/16,447.49 = 6,613.56/x
  3. Step 3: Cross multiply
    11,917.04x = 16,447.49 × 6,613.56
  4. Step 4: Simplify right side
    11,917.04x = 108,776,461.96
  5. Step 5: Solve for x
    x = 108,776,461.96/11,917.04
  6. Step 6: Final answer
    x = 9,127.81

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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.