Home / 10,776.53-16,168.90-4,203.38

Finding the Fourth Proportional to 10,776.53, 16,168.90 and 4,203.38

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Solution

The fourth proportional to 10,776.53, 16,168.90 and 4,203.38 is: 6,306.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.53 : 16,168.90 = 4,203.38 : x
  2. Step 2: Convert to fraction form
    10,776.53/16,168.90 = 4,203.38/x
  3. Step 3: Cross multiply
    10,776.53x = 16,168.90 × 4,203.38
  4. Step 4: Simplify right side
    10,776.53x = 67,964,030.88
  5. Step 5: Solve for x
    x = 67,964,030.88/10,776.53
  6. Step 6: Final answer
    x = 6,306.67

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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.