Home / 11,128.23-16,698.92-4,113.19

Finding the Fourth Proportional to 11,128.23, 16,698.92 and 4,113.19

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Solution

The fourth proportional to 11,128.23, 16,698.92 and 4,113.19 is: 6,172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.23 : 16,698.92 = 4,113.19 : x
  2. Step 2: Convert to fraction form
    11,128.23/16,698.92 = 4,113.19/x
  3. Step 3: Cross multiply
    11,128.23x = 16,698.92 × 4,113.19
  4. Step 4: Simplify right side
    11,128.23x = 68,685,830.75
  5. Step 5: Solve for x
    x = 68,685,830.75/11,128.23
  6. Step 6: Final answer
    x = 6,172.22

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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.