Home / 11,430.45-17,142.18-4,033.18

Finding the Fourth Proportional to 11,430.45, 17,142.18 and 4,033.18

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Solution

The fourth proportional to 11,430.45, 17,142.18 and 4,033.18 is: 6,048.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.45 : 17,142.18 = 4,033.18 : x
  2. Step 2: Convert to fraction form
    11,430.45/17,142.18 = 4,033.18/x
  3. Step 3: Cross multiply
    11,430.45x = 17,142.18 × 4,033.18
  4. Step 4: Simplify right side
    11,430.45x = 69,137,454.68
  5. Step 5: Solve for x
    x = 69,137,454.68/11,430.45
  6. Step 6: Final answer
    x = 6,048.54

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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.