Home / 18,664.02-25,755.57-10,279.98

Finding the Fourth Proportional to 18,664.02, 25,755.57 and 10,279.98

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Solution

The fourth proportional to 18,664.02, 25,755.57 and 10,279.98 is: 14,185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.02 : 25,755.57 = 10,279.98 : x
  2. Step 2: Convert to fraction form
    18,664.02/25,755.57 = 10,279.98/x
  3. Step 3: Cross multiply
    18,664.02x = 25,755.57 × 10,279.98
  4. Step 4: Simplify right side
    18,664.02x = 264,766,744.49
  5. Step 5: Solve for x
    x = 264,766,744.49/18,664.02
  6. Step 6: Final answer
    x = 14,185.94

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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.