Home / 13,604.76-20,407.41-3,744.36

Finding the Fourth Proportional to 13,604.76, 20,407.41 and 3,744.36

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Solution

The fourth proportional to 13,604.76, 20,407.41 and 3,744.36 is: 5,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.76 : 20,407.41 = 3,744.36 : x
  2. Step 2: Convert to fraction form
    13,604.76/20,407.41 = 3,744.36/x
  3. Step 3: Cross multiply
    13,604.76x = 20,407.41 × 3,744.36
  4. Step 4: Simplify right side
    13,604.76x = 76,412,689.71
  5. Step 5: Solve for x
    x = 76,412,689.71/13,604.76
  6. Step 6: Final answer
    x = 5,616.61

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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.