Home / 18,460.83-27,705.71-12,877.86

Finding the Fourth Proportional to 18,460.83, 27,705.71 and 12,877.86

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Solution

The fourth proportional to 18,460.83, 27,705.71 and 12,877.86 is: 19,326.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.83 : 27,705.71 = 12,877.86 : x
  2. Step 2: Convert to fraction form
    18,460.83/27,705.71 = 12,877.86/x
  3. Step 3: Cross multiply
    18,460.83x = 27,705.71 × 12,877.86
  4. Step 4: Simplify right side
    18,460.83x = 356,790,254.58
  5. Step 5: Solve for x
    x = 356,790,254.58/18,460.83
  6. Step 6: Final answer
    x = 19,326.88

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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.