Home / 18,451.80-27,680.40-5,969.43

Finding the Fourth Proportional to 18,451.80, 27,680.40 and 5,969.43

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Solution

The fourth proportional to 18,451.80, 27,680.40 and 5,969.43 is: 8,955.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.80 : 27,680.40 = 5,969.43 : x
  2. Step 2: Convert to fraction form
    18,451.80/27,680.40 = 5,969.43/x
  3. Step 3: Cross multiply
    18,451.80x = 27,680.40 × 5,969.43
  4. Step 4: Simplify right side
    18,451.80x = 165,236,210.17
  5. Step 5: Solve for x
    x = 165,236,210.17/18,451.80
  6. Step 6: Final answer
    x = 8,955.02

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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.