Home / 18,099.32-27,154.44-12,199.86

Finding the Fourth Proportional to 18,099.32, 27,154.44 and 12,199.86

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Solution

The fourth proportional to 18,099.32, 27,154.44 and 12,199.86 is: 18,303.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.32 : 27,154.44 = 12,199.86 : x
  2. Step 2: Convert to fraction form
    18,099.32/27,154.44 = 12,199.86/x
  3. Step 3: Cross multiply
    18,099.32x = 27,154.44 × 12,199.86
  4. Step 4: Simplify right side
    18,099.32x = 331,280,366.38
  5. Step 5: Solve for x
    x = 331,280,366.38/18,099.32
  6. Step 6: Final answer
    x = 18,303.48

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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.