Home / 18,664.39-28,000.04-5,336.82

Finding the Fourth Proportional to 18,664.39, 28,000.04 and 5,336.82

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Solution

The fourth proportional to 18,664.39, 28,000.04 and 5,336.82 is: 8,006.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.39 : 28,000.04 = 5,336.82 : x
  2. Step 2: Convert to fraction form
    18,664.39/28,000.04 = 5,336.82/x
  3. Step 3: Cross multiply
    18,664.39x = 28,000.04 × 5,336.82
  4. Step 4: Simplify right side
    18,664.39x = 149,431,173.47
  5. Step 5: Solve for x
    x = 149,431,173.47/18,664.39
  6. Step 6: Final answer
    x = 8,006.22

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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.