Home / 18,191.17-27,286.65-5,043.49

Finding the Fourth Proportional to 18,191.17, 27,286.65 and 5,043.49

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Solution

The fourth proportional to 18,191.17, 27,286.65 and 5,043.49 is: 7,565.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.17 : 27,286.65 = 5,043.49 : x
  2. Step 2: Convert to fraction form
    18,191.17/27,286.65 = 5,043.49/x
  3. Step 3: Cross multiply
    18,191.17x = 27,286.65 × 5,043.49
  4. Step 4: Simplify right side
    18,191.17x = 137,619,946.41
  5. Step 5: Solve for x
    x = 137,619,946.41/18,191.17
  6. Step 6: Final answer
    x = 7,565.21

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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.