Home / 10,770.51-16,149.11-4,188.99

Finding the Fourth Proportional to 10,770.51, 16,149.11 and 4,188.99

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Solution

The fourth proportional to 10,770.51, 16,149.11 and 4,188.99 is: 6,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,770.51 : 16,149.11 = 4,188.99 : x
  2. Step 2: Convert to fraction form
    10,770.51/16,149.11 = 4,188.99/x
  3. Step 3: Cross multiply
    10,770.51x = 16,149.11 × 4,188.99
  4. Step 4: Simplify right side
    10,770.51x = 67,648,439.35
  5. Step 5: Solve for x
    x = 67,648,439.35/10,770.51
  6. Step 6: Final answer
    x = 6,280.89

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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.