Home / 10,938.40-16,414.35-4,363.90

Finding the Fourth Proportional to 10,938.40, 16,414.35 and 4,363.90

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Solution

The fourth proportional to 10,938.40, 16,414.35 and 4,363.90 is: 6,548.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.40 : 16,414.35 = 4,363.90 : x
  2. Step 2: Convert to fraction form
    10,938.40/16,414.35 = 4,363.90/x
  3. Step 3: Cross multiply
    10,938.40x = 16,414.35 × 4,363.90
  4. Step 4: Simplify right side
    10,938.40x = 71,630,581.97
  5. Step 5: Solve for x
    x = 71,630,581.97/10,938.40
  6. Step 6: Final answer
    x = 6,548.54

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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.