Home / 13,185.12-19,771.74-4,863.72

Finding the Fourth Proportional to 13,185.12, 19,771.74 and 4,863.72

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Solution

The fourth proportional to 13,185.12, 19,771.74 and 4,863.72 is: 7,293.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,185.12 : 19,771.74 = 4,863.72 : x
  2. Step 2: Convert to fraction form
    13,185.12/19,771.74 = 4,863.72/x
  3. Step 3: Cross multiply
    13,185.12x = 19,771.74 × 4,863.72
  4. Step 4: Simplify right side
    13,185.12x = 96,164,207.27
  5. Step 5: Solve for x
    x = 96,164,207.27/13,185.12
  6. Step 6: Final answer
    x = 7,293.39

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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.