Home / 18,511.80-27,770.40-6,029.70

Finding the Fourth Proportional to 18,511.80, 27,770.40 and 6,029.70

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Solution

The fourth proportional to 18,511.80, 27,770.40 and 6,029.70 is: 9,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.80 : 27,770.40 = 6,029.70 : x
  2. Step 2: Convert to fraction form
    18,511.80/27,770.40 = 6,029.70/x
  3. Step 3: Cross multiply
    18,511.80x = 27,770.40 × 6,029.70
  4. Step 4: Simplify right side
    18,511.80x = 167,447,180.88
  5. Step 5: Solve for x
    x = 167,447,180.88/18,511.80
  6. Step 6: Final answer
    x = 9,045.43

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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.