Home / 13,083.44-19,627.60-4,318.72

Finding the Fourth Proportional to 13,083.44, 19,627.60 and 4,318.72

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Solution

The fourth proportional to 13,083.44, 19,627.60 and 4,318.72 is: 6,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.44 : 19,627.60 = 4,318.72 : x
  2. Step 2: Convert to fraction form
    13,083.44/19,627.60 = 4,318.72/x
  3. Step 3: Cross multiply
    13,083.44x = 19,627.60 × 4,318.72
  4. Step 4: Simplify right side
    13,083.44x = 84,766,108.67
  5. Step 5: Solve for x
    x = 84,766,108.67/13,083.44
  6. Step 6: Final answer
    x = 6,478.89

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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.