Home / 18,863.56-26,039.65-12,732.44

Finding the Fourth Proportional to 18,863.56, 26,039.65 and 12,732.44

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Solution

The fourth proportional to 18,863.56, 26,039.65 and 12,732.44 is: 17,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,863.56 : 26,039.65 = 12,732.44 : x
  2. Step 2: Convert to fraction form
    18,863.56/26,039.65 = 12,732.44/x
  3. Step 3: Cross multiply
    18,863.56x = 26,039.65 × 12,732.44
  4. Step 4: Simplify right side
    18,863.56x = 331,548,325.37
  5. Step 5: Solve for x
    x = 331,548,325.37/18,863.56
  6. Step 6: Final answer
    x = 17,576.13

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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.