Home / 18,426.15-27,627.75-7,902.90

Finding the Fourth Proportional to 18,426.15, 27,627.75 and 7,902.90

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Solution

The fourth proportional to 18,426.15, 27,627.75 and 7,902.90 is: 11,849.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.15 : 27,627.75 = 7,902.90 : x
  2. Step 2: Convert to fraction form
    18,426.15/27,627.75 = 7,902.90/x
  3. Step 3: Cross multiply
    18,426.15x = 27,627.75 × 7,902.90
  4. Step 4: Simplify right side
    18,426.15x = 218,339,345.48
  5. Step 5: Solve for x
    x = 218,339,345.48/18,426.15
  6. Step 6: Final answer
    x = 11,849.43

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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.