Home / 18,048.30-27,091.89-12,877.26

Finding the Fourth Proportional to 18,048.30, 27,091.89 and 12,877.26

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Solution

The fourth proportional to 18,048.30, 27,091.89 and 12,877.26 is: 19,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.30 : 27,091.89 = 12,877.26 : x
  2. Step 2: Convert to fraction form
    18,048.30/27,091.89 = 12,877.26/x
  3. Step 3: Cross multiply
    18,048.30x = 27,091.89 × 12,877.26
  4. Step 4: Simplify right side
    18,048.30x = 348,869,311.42
  5. Step 5: Solve for x
    x = 348,869,311.42/18,048.30
  6. Step 6: Final answer
    x = 19,329.76

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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.