Home / 18,346.35-25,319.37-10,279.61

Finding the Fourth Proportional to 18,346.35, 25,319.37 and 10,279.61

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Solution

The fourth proportional to 18,346.35, 25,319.37 and 10,279.61 is: 14,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.35 : 25,319.37 = 10,279.61 : x
  2. Step 2: Convert to fraction form
    18,346.35/25,319.37 = 10,279.61/x
  3. Step 3: Cross multiply
    18,346.35x = 25,319.37 × 10,279.61
  4. Step 4: Simplify right side
    18,346.35x = 260,273,122.45
  5. Step 5: Solve for x
    x = 260,273,122.45/18,346.35
  6. Step 6: Final answer
    x = 14,186.64

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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.