Home / 18,673.50-28,000.35-5,524.05

Finding the Fourth Proportional to 18,673.50, 28,000.35 and 5,524.05

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Solution

The fourth proportional to 18,673.50, 28,000.35 and 5,524.05 is: 8,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.50 : 28,000.35 = 5,524.05 : x
  2. Step 2: Convert to fraction form
    18,673.50/28,000.35 = 5,524.05/x
  3. Step 3: Cross multiply
    18,673.50x = 28,000.35 × 5,524.05
  4. Step 4: Simplify right side
    18,673.50x = 154,675,333.42
  5. Step 5: Solve for x
    x = 154,675,333.42/18,673.50
  6. Step 6: Final answer
    x = 8,283.15

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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.