Home / 18,234.63-25,166.16-10,279.35

Finding the Fourth Proportional to 18,234.63, 25,166.16 and 10,279.35

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Solution

The fourth proportional to 18,234.63, 25,166.16 and 10,279.35 is: 14,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,234.63 : 25,166.16 = 10,279.35 : x
  2. Step 2: Convert to fraction form
    18,234.63/25,166.16 = 10,279.35/x
  3. Step 3: Cross multiply
    18,234.63x = 25,166.16 × 10,279.35
  4. Step 4: Simplify right side
    18,234.63x = 258,691,766.80
  5. Step 5: Solve for x
    x = 258,691,766.80/18,234.63
  6. Step 6: Final answer
    x = 14,186.84

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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.