Home / 18,338.27-27,512.06-8,484.62

Finding the Fourth Proportional to 18,338.27, 27,512.06 and 8,484.62

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Solution

The fourth proportional to 18,338.27, 27,512.06 and 8,484.62 is: 12,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.27 : 27,512.06 = 8,484.62 : x
  2. Step 2: Convert to fraction form
    18,338.27/27,512.06 = 8,484.62/x
  3. Step 3: Cross multiply
    18,338.27x = 27,512.06 × 8,484.62
  4. Step 4: Simplify right side
    18,338.27x = 233,429,194.53
  5. Step 5: Solve for x
    x = 233,429,194.53/18,338.27
  6. Step 6: Final answer
    x = 12,729.08

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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.