Home / 10,926.60-16,390.92-4,351.20

Finding the Fourth Proportional to 10,926.60, 16,390.92 and 4,351.20

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Solution

The fourth proportional to 10,926.60, 16,390.92 and 4,351.20 is: 6,527.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.60 : 16,390.92 = 4,351.20 : x
  2. Step 2: Convert to fraction form
    10,926.60/16,390.92 = 4,351.20/x
  3. Step 3: Cross multiply
    10,926.60x = 16,390.92 × 4,351.20
  4. Step 4: Simplify right side
    10,926.60x = 71,320,171.10
  5. Step 5: Solve for x
    x = 71,320,171.10/10,926.60
  6. Step 6: Final answer
    x = 6,527.21

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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.