Home / 10,775.30-16,140.26-4,936.82

Finding the Fourth Proportional to 10,775.30, 16,140.26 and 4,936.82

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Solution

The fourth proportional to 10,775.30, 16,140.26 and 4,936.82 is: 7,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.30 : 16,140.26 = 4,936.82 : x
  2. Step 2: Convert to fraction form
    10,775.30/16,140.26 = 4,936.82/x
  3. Step 3: Cross multiply
    10,775.30x = 16,140.26 × 4,936.82
  4. Step 4: Simplify right side
    10,775.30x = 79,681,558.37
  5. Step 5: Solve for x
    x = 79,681,558.37/10,775.30
  6. Step 6: Final answer
    x = 7,394.83

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1.5x scale

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.