Home / 11,655.08-16,084.92-6,620.88

Finding the Fourth Proportional to 11,655.08, 16,084.92 and 6,620.88

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Solution

The fourth proportional to 11,655.08, 16,084.92 and 6,620.88 is: 9,137.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.08 : 16,084.92 = 6,620.88 : x
  2. Step 2: Convert to fraction form
    11,655.08/16,084.92 = 6,620.88/x
  3. Step 3: Cross multiply
    11,655.08x = 16,084.92 × 6,620.88
  4. Step 4: Simplify right side
    11,655.08x = 106,496,325.13
  5. Step 5: Solve for x
    x = 106,496,325.13/11,655.08
  6. Step 6: Final answer
    x = 9,137.33

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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.