Home / 18,530.38-27,798.45-6,221.26

Finding the Fourth Proportional to 18,530.38, 27,798.45 and 6,221.26

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Solution

The fourth proportional to 18,530.38, 27,798.45 and 6,221.26 is: 9,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.38 : 27,798.45 = 6,221.26 : x
  2. Step 2: Convert to fraction form
    18,530.38/27,798.45 = 6,221.26/x
  3. Step 3: Cross multiply
    18,530.38x = 27,798.45 × 6,221.26
  4. Step 4: Simplify right side
    18,530.38x = 172,941,214.95
  5. Step 5: Solve for x
    x = 172,941,214.95/18,530.38
  6. Step 6: Final answer
    x = 9,332.85

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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.