Home / 10,129.88-15,185.41-4,504.59

Finding the Fourth Proportional to 10,129.88, 15,185.41 and 4,504.59

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Solution

The fourth proportional to 10,129.88, 15,185.41 and 4,504.59 is: 6,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.88 : 15,185.41 = 4,504.59 : x
  2. Step 2: Convert to fraction form
    10,129.88/15,185.41 = 4,504.59/x
  3. Step 3: Cross multiply
    10,129.88x = 15,185.41 × 4,504.59
  4. Step 4: Simplify right side
    10,129.88x = 68,404,078.65
  5. Step 5: Solve for x
    x = 68,404,078.65/10,129.88
  6. Step 6: Final answer
    x = 6,752.70

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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.