Home / 18,188.32-27,282.28-4,861.32

Finding the Fourth Proportional to 18,188.32, 27,282.28 and 4,861.32

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Solution

The fourth proportional to 18,188.32, 27,282.28 and 4,861.32 is: 7,291.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,188.32 : 27,282.28 = 4,861.32 : x
  2. Step 2: Convert to fraction form
    18,188.32/27,282.28 = 4,861.32/x
  3. Step 3: Cross multiply
    18,188.32x = 27,282.28 × 4,861.32
  4. Step 4: Simplify right side
    18,188.32x = 132,627,893.41
  5. Step 5: Solve for x
    x = 132,627,893.41/18,188.32
  6. Step 6: Final answer
    x = 7,291.93

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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.