Home / 18,156.35-27,196.25-8,303.92

Finding the Fourth Proportional to 18,156.35, 27,196.25 and 8,303.92

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Solution

The fourth proportional to 18,156.35, 27,196.25 and 8,303.92 is: 12,438.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,156.35 : 27,196.25 = 8,303.92 : x
  2. Step 2: Convert to fraction form
    18,156.35/27,196.25 = 8,303.92/x
  3. Step 3: Cross multiply
    18,156.35x = 27,196.25 × 8,303.92
  4. Step 4: Simplify right side
    18,156.35x = 225,835,484.30
  5. Step 5: Solve for x
    x = 225,835,484.30/18,156.35
  6. Step 6: Final answer
    x = 12,438.37

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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.