Home / 18,321.72-27,484.60-5,838.84

Finding the Fourth Proportional to 18,321.72, 27,484.60 and 5,838.84

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Solution

The fourth proportional to 18,321.72, 27,484.60 and 5,838.84 is: 8,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.72 : 27,484.60 = 5,838.84 : x
  2. Step 2: Convert to fraction form
    18,321.72/27,484.60 = 5,838.84/x
  3. Step 3: Cross multiply
    18,321.72x = 27,484.60 × 5,838.84
  4. Step 4: Simplify right side
    18,321.72x = 160,478,181.86
  5. Step 5: Solve for x
    x = 160,478,181.86/18,321.72
  6. Step 6: Final answer
    x = 8,758.90

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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.