Home / 13,783.07-20,674.61-3,394.82

Finding the Fourth Proportional to 13,783.07, 20,674.61 and 3,394.82

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Solution

The fourth proportional to 13,783.07, 20,674.61 and 3,394.82 is: 5,092.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,783.07 : 20,674.61 = 3,394.82 : x
  2. Step 2: Convert to fraction form
    13,783.07/20,674.61 = 3,394.82/x
  3. Step 3: Cross multiply
    13,783.07x = 20,674.61 × 3,394.82
  4. Step 4: Simplify right side
    13,783.07x = 70,186,579.52
  5. Step 5: Solve for x
    x = 70,186,579.52/13,783.07
  6. Step 6: Final answer
    x = 5,092.23

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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.