Home / 18,279.85-27,416.32-8,910.46

Finding the Fourth Proportional to 18,279.85, 27,416.32 and 8,910.46

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Solution

The fourth proportional to 18,279.85, 27,416.32 and 8,910.46 is: 13,364.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.85 : 27,416.32 = 8,910.46 : x
  2. Step 2: Convert to fraction form
    18,279.85/27,416.32 = 8,910.46/x
  3. Step 3: Cross multiply
    18,279.85x = 27,416.32 × 8,910.46
  4. Step 4: Simplify right side
    18,279.85x = 244,292,022.71
  5. Step 5: Solve for x
    x = 244,292,022.71/18,279.85
  6. Step 6: Final answer
    x = 13,364.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.