Home / 18,270.45-27,403.65-14,977.80

Finding the Fourth Proportional to 18,270.45, 27,403.65 and 14,977.80

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Solution

The fourth proportional to 18,270.45, 27,403.65 and 14,977.80 is: 22,465.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.45 : 27,403.65 = 14,977.80 : x
  2. Step 2: Convert to fraction form
    18,270.45/27,403.65 = 14,977.80/x
  3. Step 3: Cross multiply
    18,270.45x = 27,403.65 × 14,977.80
  4. Step 4: Simplify right side
    18,270.45x = 410,446,388.97
  5. Step 5: Solve for x
    x = 410,446,388.97/18,270.45
  6. Step 6: Final answer
    x = 22,465.04

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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.