Home / 18,854.64-26,036.91-12,155.94

Finding the Fourth Proportional to 18,854.64, 26,036.91 and 12,155.94

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Solution

The fourth proportional to 18,854.64, 26,036.91 and 12,155.94 is: 16,786.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,854.64 : 26,036.91 = 12,155.94 : x
  2. Step 2: Convert to fraction form
    18,854.64/26,036.91 = 12,155.94/x
  3. Step 3: Cross multiply
    18,854.64x = 26,036.91 × 12,155.94
  4. Step 4: Simplify right side
    18,854.64x = 316,503,115.75
  5. Step 5: Solve for x
    x = 316,503,115.75/18,854.64
  6. Step 6: Final answer
    x = 16,786.48

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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.