Home / 18,318.92-25,279.08-10,360.68

Finding the Fourth Proportional to 18,318.92, 25,279.08 and 10,360.68

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Solution

The fourth proportional to 18,318.92, 25,279.08 and 10,360.68 is: 14,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.92 : 25,279.08 = 10,360.68 : x
  2. Step 2: Convert to fraction form
    18,318.92/25,279.08 = 10,360.68/x
  3. Step 3: Cross multiply
    18,318.92x = 25,279.08 × 10,360.68
  4. Step 4: Simplify right side
    18,318.92x = 261,908,458.57
  5. Step 5: Solve for x
    x = 261,908,458.57/18,318.92
  6. Step 6: Final answer
    x = 14,297.16

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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.