Home / 18,420.81-27,633.96-6,577.62

Finding the Fourth Proportional to 18,420.81, 27,633.96 and 6,577.62

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Solution

The fourth proportional to 18,420.81, 27,633.96 and 6,577.62 is: 9,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,420.81 : 27,633.96 = 6,577.62 : x
  2. Step 2: Convert to fraction form
    18,420.81/27,633.96 = 6,577.62/x
  3. Step 3: Cross multiply
    18,420.81x = 27,633.96 × 6,577.62
  4. Step 4: Simplify right side
    18,420.81x = 181,765,687.98
  5. Step 5: Solve for x
    x = 181,765,687.98/18,420.81
  6. Step 6: Final answer
    x = 9,867.41

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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.