Home / 18,681.62-28,022.37-6,202.59

Finding the Fourth Proportional to 18,681.62, 28,022.37 and 6,202.59

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Solution

The fourth proportional to 18,681.62, 28,022.37 and 6,202.59 is: 9,303.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.62 : 28,022.37 = 6,202.59 : x
  2. Step 2: Convert to fraction form
    18,681.62/28,022.37 = 6,202.59/x
  3. Step 3: Cross multiply
    18,681.62x = 28,022.37 × 6,202.59
  4. Step 4: Simplify right side
    18,681.62x = 173,811,143.59
  5. Step 5: Solve for x
    x = 173,811,143.59/18,681.62
  6. Step 6: Final answer
    x = 9,303.86

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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.