Home / 18,030.90-27,060.30-11,789.22

Finding the Fourth Proportional to 18,030.90, 27,060.30 and 11,789.22

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Solution

The fourth proportional to 18,030.90, 27,060.30 and 11,789.22 is: 17,692.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.90 : 27,060.30 = 11,789.22 : x
  2. Step 2: Convert to fraction form
    18,030.90/27,060.30 = 11,789.22/x
  3. Step 3: Cross multiply
    18,030.90x = 27,060.30 × 11,789.22
  4. Step 4: Simplify right side
    18,030.90x = 319,019,829.97
  5. Step 5: Solve for x
    x = 319,019,829.97/18,030.90
  6. Step 6: Final answer
    x = 17,692.95

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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.