Home / 18,686.96-28,023.44-6,204.68

Finding the Fourth Proportional to 18,686.96, 28,023.44 and 6,204.68

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Solution

The fourth proportional to 18,686.96, 28,023.44 and 6,204.68 is: 9,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,686.96 : 28,023.44 = 6,204.68 : x
  2. Step 2: Convert to fraction form
    18,686.96/28,023.44 = 6,204.68/x
  3. Step 3: Cross multiply
    18,686.96x = 28,023.44 × 6,204.68
  4. Step 4: Simplify right side
    18,686.96x = 173,876,477.70
  5. Step 5: Solve for x
    x = 173,876,477.70/18,686.96
  6. Step 6: Final answer
    x = 9,304.70

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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.