Home / 16,740.42-25,126.83-12,311.70

Finding the Fourth Proportional to 16,740.42, 25,126.83 and 12,311.70

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Solution

The fourth proportional to 16,740.42, 25,126.83 and 12,311.70 is: 18,479.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,740.42 : 25,126.83 = 12,311.70 : x
  2. Step 2: Convert to fraction form
    16,740.42/25,126.83 = 12,311.70/x
  3. Step 3: Cross multiply
    16,740.42x = 25,126.83 × 12,311.70
  4. Step 4: Simplify right side
    16,740.42x = 309,353,992.91
  5. Step 5: Solve for x
    x = 309,353,992.91/16,740.42
  6. Step 6: Final answer
    x = 18,479.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.