Home / 13,604.42-20,406.64-3,744.74

Finding the Fourth Proportional to 13,604.42, 20,406.64 and 3,744.74

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Solution

The fourth proportional to 13,604.42, 20,406.64 and 3,744.74 is: 5,617.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.42 : 20,406.64 = 3,744.74 : x
  2. Step 2: Convert to fraction form
    13,604.42/20,406.64 = 3,744.74/x
  3. Step 3: Cross multiply
    13,604.42x = 20,406.64 × 3,744.74
  4. Step 4: Simplify right side
    13,604.42x = 76,417,561.07
  5. Step 5: Solve for x
    x = 76,417,561.07/13,604.42
  6. Step 6: Final answer
    x = 5,617.11

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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.