Home / 12,382.83-18,577.32-6,145.77

Finding the Fourth Proportional to 12,382.83, 18,577.32 and 6,145.77

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Solution

The fourth proportional to 12,382.83, 18,577.32 and 6,145.77 is: 9,220.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382.83 : 18,577.32 = 6,145.77 : x
  2. Step 2: Convert to fraction form
    12,382.83/18,577.32 = 6,145.77/x
  3. Step 3: Cross multiply
    12,382.83x = 18,577.32 × 6,145.77
  4. Step 4: Simplify right side
    12,382.83x = 114,171,935.94
  5. Step 5: Solve for x
    x = 114,171,935.94/12,382.83
  6. Step 6: Final answer
    x = 9,220.18

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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.