Home / 18,319.79-27,467.19-8,453.58

Finding the Fourth Proportional to 18,319.79, 27,467.19 and 8,453.58

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Solution

The fourth proportional to 18,319.79, 27,467.19 and 8,453.58 is: 12,674.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.79 : 27,467.19 = 8,453.58 : x
  2. Step 2: Convert to fraction form
    18,319.79/27,467.19 = 8,453.58/x
  3. Step 3: Cross multiply
    18,319.79x = 27,467.19 × 8,453.58
  4. Step 4: Simplify right side
    18,319.79x = 232,196,088.04
  5. Step 5: Solve for x
    x = 232,196,088.04/18,319.79
  6. Step 6: Final answer
    x = 12,674.61

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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.