Home / 18,421.12-27,633.72-6,577.66

Finding the Fourth Proportional to 18,421.12, 27,633.72 and 6,577.66

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Solution

The fourth proportional to 18,421.12, 27,633.72 and 6,577.66 is: 9,867.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.12 : 27,633.72 = 6,577.66 : x
  2. Step 2: Convert to fraction form
    18,421.12/27,633.72 = 6,577.66/x
  3. Step 3: Cross multiply
    18,421.12x = 27,633.72 × 6,577.66
  4. Step 4: Simplify right side
    18,421.12x = 181,765,214.70
  5. Step 5: Solve for x
    x = 181,765,214.70/18,421.12
  6. Step 6: Final answer
    x = 9,867.22

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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.