Home / 18,807.08-25,965.58-12,104.36

Finding the Fourth Proportional to 18,807.08, 25,965.58 and 12,104.36

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Solution

The fourth proportional to 18,807.08, 25,965.58 and 12,104.36 is: 16,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.08 : 25,965.58 = 12,104.36 : x
  2. Step 2: Convert to fraction form
    18,807.08/25,965.58 = 12,104.36/x
  3. Step 3: Cross multiply
    18,807.08x = 25,965.58 × 12,104.36
  4. Step 4: Simplify right side
    18,807.08x = 314,296,567.84
  5. Step 5: Solve for x
    x = 314,296,567.84/18,807.08
  6. Step 6: Final answer
    x = 16,711.61

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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.