Home / 13,104.09-19,659.38-4,339.89

Finding the Fourth Proportional to 13,104.09, 19,659.38 and 4,339.89

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Solution

The fourth proportional to 13,104.09, 19,659.38 and 4,339.89 is: 6,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.09 : 19,659.38 = 4,339.89 : x
  2. Step 2: Convert to fraction form
    13,104.09/19,659.38 = 4,339.89/x
  3. Step 3: Cross multiply
    13,104.09x = 19,659.38 × 4,339.89
  4. Step 4: Simplify right side
    13,104.09x = 85,319,524.97
  5. Step 5: Solve for x
    x = 85,319,524.97/13,104.09
  6. Step 6: Final answer
    x = 6,510.91

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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.