Home / 10,946.10-16,421.58-4,375.38

Finding the Fourth Proportional to 10,946.10, 16,421.58 and 4,375.38

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Solution

The fourth proportional to 10,946.10, 16,421.58 and 4,375.38 is: 6,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.10 : 16,421.58 = 4,375.38 : x
  2. Step 2: Convert to fraction form
    10,946.10/16,421.58 = 4,375.38/x
  3. Step 3: Cross multiply
    10,946.10x = 16,421.58 × 4,375.38
  4. Step 4: Simplify right side
    10,946.10x = 71,850,652.70
  5. Step 5: Solve for x
    x = 71,850,652.70/10,946.10
  6. Step 6: Final answer
    x = 6,564.04

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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.