Home / 18,720.45-27,998.06-16,654.95

Finding the Fourth Proportional to 18,720.45, 27,998.06 and 16,654.95

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Solution

The fourth proportional to 18,720.45, 27,998.06 and 16,654.95 is: 24,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720.45 : 27,998.06 = 16,654.95 : x
  2. Step 2: Convert to fraction form
    18,720.45/27,998.06 = 16,654.95/x
  3. Step 3: Cross multiply
    18,720.45x = 27,998.06 × 16,654.95
  4. Step 4: Simplify right side
    18,720.45x = 466,306,206.12
  5. Step 5: Solve for x
    x = 466,306,206.12/18,720.45
  6. Step 6: Final answer
    x = 24,908.92

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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.