Home / 18,663.24-25,755.26-10,279.74

Finding the Fourth Proportional to 18,663.24, 25,755.26 and 10,279.74

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Solution

The fourth proportional to 18,663.24, 25,755.26 and 10,279.74 is: 14,186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,663.24 : 25,755.26 = 10,279.74 : x
  2. Step 2: Convert to fraction form
    18,663.24/25,755.26 = 10,279.74/x
  3. Step 3: Cross multiply
    18,663.24x = 25,755.26 × 10,279.74
  4. Step 4: Simplify right side
    18,663.24x = 264,757,247.66
  5. Step 5: Solve for x
    x = 264,757,247.66/18,663.24
  6. Step 6: Final answer
    x = 14,186.03

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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.