Home / 9,789.15-14,685.26-3,213.84

Finding the Fourth Proportional to 9,789.15, 14,685.26 and 3,213.84

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Solution

The fourth proportional to 9,789.15, 14,685.26 and 3,213.84 is: 4,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.15 : 14,685.26 = 3,213.84 : x
  2. Step 2: Convert to fraction form
    9,789.15/14,685.26 = 3,213.84/x
  3. Step 3: Cross multiply
    9,789.15x = 14,685.26 × 3,213.84
  4. Step 4: Simplify right side
    9,789.15x = 47,196,076.00
  5. Step 5: Solve for x
    x = 47,196,076.00/9,789.15
  6. Step 6: Final answer
    x = 4,821.26

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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.