Home / 10,926.90-16,390.96-3,135.50

Finding the Fourth Proportional to 10,926.90, 16,390.96 and 3,135.50

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Solution

The fourth proportional to 10,926.90, 16,390.96 and 3,135.50 is: 4,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.90 : 16,390.96 = 3,135.50 : x
  2. Step 2: Convert to fraction form
    10,926.90/16,390.96 = 3,135.50/x
  3. Step 3: Cross multiply
    10,926.90x = 16,390.96 × 3,135.50
  4. Step 4: Simplify right side
    10,926.90x = 51,393,855.08
  5. Step 5: Solve for x
    x = 51,393,855.08/10,926.90
  6. Step 6: Final answer
    x = 4,703.43

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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.