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Finding the Fourth Proportional to 18,433, 27,630.42 and 7,334.92

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Solution

The fourth proportional to 18,433, 27,630.42 and 7,334.92 is: 10,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433 : 27,630.42 = 7,334.92 : x
  2. Step 2: Convert to fraction form
    18,433/27,630.42 = 7,334.92/x
  3. Step 3: Cross multiply
    18,433x = 27,630.42 × 7,334.92
  4. Step 4: Simplify right side
    18,433x = 202,666,920.27
  5. Step 5: Solve for x
    x = 202,666,920.27/18,433
  6. Step 6: Final answer
    x = 10,994.79

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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.