Home / 12,604.21-18,901.91-3,717.18

Finding the Fourth Proportional to 12,604.21, 18,901.91 and 3,717.18

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Solution

The fourth proportional to 12,604.21, 18,901.91 and 3,717.18 is: 5,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.21 : 18,901.91 = 3,717.18 : x
  2. Step 2: Convert to fraction form
    12,604.21/18,901.91 = 3,717.18/x
  3. Step 3: Cross multiply
    12,604.21x = 18,901.91 × 3,717.18
  4. Step 4: Simplify right side
    12,604.21x = 70,261,868.05
  5. Step 5: Solve for x
    x = 70,261,868.05/12,604.21
  6. Step 6: Final answer
    x = 5,574.48

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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.