Home / 9,129.83-13,694.86-3,206.48

Finding the Fourth Proportional to 9,129.83, 13,694.86 and 3,206.48

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Solution

The fourth proportional to 9,129.83, 13,694.86 and 3,206.48 is: 4,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.83 : 13,694.86 = 3,206.48 : x
  2. Step 2: Convert to fraction form
    9,129.83/13,694.86 = 3,206.48/x
  3. Step 3: Cross multiply
    9,129.83x = 13,694.86 × 3,206.48
  4. Step 4: Simplify right side
    9,129.83x = 43,912,294.69
  5. Step 5: Solve for x
    x = 43,912,294.69/9,129.83
  6. Step 6: Final answer
    x = 4,809.76

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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.