Home / 18,701.85-28,046.66-6,218.44

Finding the Fourth Proportional to 18,701.85, 28,046.66 and 6,218.44

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Solution

The fourth proportional to 18,701.85, 28,046.66 and 6,218.44 is: 9,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.85 : 28,046.66 = 6,218.44 : x
  2. Step 2: Convert to fraction form
    18,701.85/28,046.66 = 6,218.44/x
  3. Step 3: Cross multiply
    18,701.85x = 28,046.66 × 6,218.44
  4. Step 4: Simplify right side
    18,701.85x = 174,406,371.20
  5. Step 5: Solve for x
    x = 174,406,371.20/18,701.85
  6. Step 6: Final answer
    x = 9,325.62

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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.