Home / 11,161.40-16,727.76-4,917.36

Finding the Fourth Proportional to 11,161.40, 16,727.76 and 4,917.36

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Solution

The fourth proportional to 11,161.40, 16,727.76 and 4,917.36 is: 7,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.40 : 16,727.76 = 4,917.36 : x
  2. Step 2: Convert to fraction form
    11,161.40/16,727.76 = 4,917.36/x
  3. Step 3: Cross multiply
    11,161.40x = 16,727.76 × 4,917.36
  4. Step 4: Simplify right side
    11,161.40x = 82,256,417.91
  5. Step 5: Solve for x
    x = 82,256,417.91/11,161.40
  6. Step 6: Final answer
    x = 7,369.72

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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.