Home / 18,322.62-25,285.78-10,364.70

Finding the Fourth Proportional to 18,322.62, 25,285.78 and 10,364.70

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Solution

The fourth proportional to 18,322.62, 25,285.78 and 10,364.70 is: 14,303.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.62 : 25,285.78 = 10,364.70 : x
  2. Step 2: Convert to fraction form
    18,322.62/25,285.78 = 10,364.70/x
  3. Step 3: Cross multiply
    18,322.62x = 25,285.78 × 10,364.70
  4. Step 4: Simplify right side
    18,322.62x = 262,079,523.97
  5. Step 5: Solve for x
    x = 262,079,523.97/18,322.62
  6. Step 6: Final answer
    x = 14,303.61

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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.