Home / 18,289.80-27,446.16-7,196.18

Finding the Fourth Proportional to 18,289.80, 27,446.16 and 7,196.18

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Solution

The fourth proportional to 18,289.80, 27,446.16 and 7,196.18 is: 10,798.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.80 : 27,446.16 = 7,196.18 : x
  2. Step 2: Convert to fraction form
    18,289.80/27,446.16 = 7,196.18/x
  3. Step 3: Cross multiply
    18,289.80x = 27,446.16 × 7,196.18
  4. Step 4: Simplify right side
    18,289.80x = 197,507,507.67
  5. Step 5: Solve for x
    x = 197,507,507.67/18,289.80
  6. Step 6: Final answer
    x = 10,798.78

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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.