Home / 11,161.51-16,730.57-3,763.42

Finding the Fourth Proportional to 11,161.51, 16,730.57 and 3,763.42

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Solution

The fourth proportional to 11,161.51, 16,730.57 and 3,763.42 is: 5,641.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.51 : 16,730.57 = 3,763.42 : x
  2. Step 2: Convert to fraction form
    11,161.51/16,730.57 = 3,763.42/x
  3. Step 3: Cross multiply
    11,161.51x = 16,730.57 × 3,763.42
  4. Step 4: Simplify right side
    11,161.51x = 62,964,059.28
  5. Step 5: Solve for x
    x = 62,964,059.28/11,161.51
  6. Step 6: Final answer
    x = 5,641.18

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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.