Home / 11,640.21-17,463.03-3,320.34

Finding the Fourth Proportional to 11,640.21, 17,463.03 and 3,320.34

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Solution

The fourth proportional to 11,640.21, 17,463.03 and 3,320.34 is: 4,981.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,640.21 : 17,463.03 = 3,320.34 : x
  2. Step 2: Convert to fraction form
    11,640.21/17,463.03 = 3,320.34/x
  3. Step 3: Cross multiply
    11,640.21x = 17,463.03 × 3,320.34
  4. Step 4: Simplify right side
    11,640.21x = 57,983,197.03
  5. Step 5: Solve for x
    x = 57,983,197.03/11,640.21
  6. Step 6: Final answer
    x = 4,981.28

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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.