Home / 18,017.56-27,029.58-7,630.12

Finding the Fourth Proportional to 18,017.56, 27,029.58 and 7,630.12

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Solution

The fourth proportional to 18,017.56, 27,029.58 and 7,630.12 is: 11,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.56 : 27,029.58 = 7,630.12 : x
  2. Step 2: Convert to fraction form
    18,017.56/27,029.58 = 7,630.12/x
  3. Step 3: Cross multiply
    18,017.56x = 27,029.58 × 7,630.12
  4. Step 4: Simplify right side
    18,017.56x = 206,238,938.95
  5. Step 5: Solve for x
    x = 206,238,938.95/18,017.56
  6. Step 6: Final answer
    x = 11,446.55

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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.