Home / 18,445.36-27,651.60-6,755.84

Finding the Fourth Proportional to 18,445.36, 27,651.60 and 6,755.84

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Solution

The fourth proportional to 18,445.36, 27,651.60 and 6,755.84 is: 10,127.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.36 : 27,651.60 = 6,755.84 : x
  2. Step 2: Convert to fraction form
    18,445.36/27,651.60 = 6,755.84/x
  3. Step 3: Cross multiply
    18,445.36x = 27,651.60 × 6,755.84
  4. Step 4: Simplify right side
    18,445.36x = 186,809,854.47
  5. Step 5: Solve for x
    x = 186,809,854.47/18,445.36
  6. Step 6: Final answer
    x = 10,127.74

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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.