Home / 10,952.72-16,433.14-7,857.44

Finding the Fourth Proportional to 10,952.72, 16,433.14 and 7,857.44

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Solution

The fourth proportional to 10,952.72, 16,433.14 and 7,857.44 is: 11,789.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.72 : 16,433.14 = 7,857.44 : x
  2. Step 2: Convert to fraction form
    10,952.72/16,433.14 = 7,857.44/x
  3. Step 3: Cross multiply
    10,952.72x = 16,433.14 × 7,857.44
  4. Step 4: Simplify right side
    10,952.72x = 129,122,411.56
  5. Step 5: Solve for x
    x = 129,122,411.56/10,952.72
  6. Step 6: Final answer
    x = 11,789.07

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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.