Home / 11,480.04-17,221.68-3,686.22

Finding the Fourth Proportional to 11,480.04, 17,221.68 and 3,686.22

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Solution

The fourth proportional to 11,480.04, 17,221.68 and 3,686.22 is: 5,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,480.04 : 17,221.68 = 3,686.22 : x
  2. Step 2: Convert to fraction form
    11,480.04/17,221.68 = 3,686.22/x
  3. Step 3: Cross multiply
    11,480.04x = 17,221.68 × 3,686.22
  4. Step 4: Simplify right side
    11,480.04x = 63,482,901.25
  5. Step 5: Solve for x
    x = 63,482,901.25/11,480.04
  6. Step 6: Final answer
    x = 5,529.85

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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.