Home / 12,055.84-18,086.49-5,480.26

Finding the Fourth Proportional to 12,055.84, 18,086.49 and 5,480.26

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Solution

The fourth proportional to 12,055.84, 18,086.49 and 5,480.26 is: 8,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.84 : 18,086.49 = 5,480.26 : x
  2. Step 2: Convert to fraction form
    12,055.84/18,086.49 = 5,480.26/x
  3. Step 3: Cross multiply
    12,055.84x = 18,086.49 × 5,480.26
  4. Step 4: Simplify right side
    12,055.84x = 99,118,622.47
  5. Step 5: Solve for x
    x = 99,118,622.47/12,055.84
  6. Step 6: Final answer
    x = 8,221.63

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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.