Home / 18,236.64-25,187.32-12,257.93

Finding the Fourth Proportional to 18,236.64, 25,187.32 and 12,257.93

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Solution

The fourth proportional to 18,236.64, 25,187.32 and 12,257.93 is: 16,929.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,236.64 : 25,187.32 = 12,257.93 : x
  2. Step 2: Convert to fraction form
    18,236.64/25,187.32 = 12,257.93/x
  3. Step 3: Cross multiply
    18,236.64x = 25,187.32 × 12,257.93
  4. Step 4: Simplify right side
    18,236.64x = 308,744,279.98
  5. Step 5: Solve for x
    x = 308,744,279.98/18,236.64
  6. Step 6: Final answer
    x = 16,929.89

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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.