Home / 11,651.01-16,078.52-6,345.87

Finding the Fourth Proportional to 11,651.01, 16,078.52 and 6,345.87

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Solution

The fourth proportional to 11,651.01, 16,078.52 and 6,345.87 is: 8,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.01 : 16,078.52 = 6,345.87 : x
  2. Step 2: Convert to fraction form
    11,651.01/16,078.52 = 6,345.87/x
  3. Step 3: Cross multiply
    11,651.01x = 16,078.52 × 6,345.87
  4. Step 4: Simplify right side
    11,651.01x = 102,032,133.18
  5. Step 5: Solve for x
    x = 102,032,133.18/11,651.01
  6. Step 6: Final answer
    x = 8,757.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.