Home / 18,708.10-25,826.44-14,667.82

Finding the Fourth Proportional to 18,708.10, 25,826.44 and 14,667.82

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Solution

The fourth proportional to 18,708.10, 25,826.44 and 14,667.82 is: 20,248.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708.10 : 25,826.44 = 14,667.82 : x
  2. Step 2: Convert to fraction form
    18,708.10/25,826.44 = 14,667.82/x
  3. Step 3: Cross multiply
    18,708.10x = 25,826.44 × 14,667.82
  4. Step 4: Simplify right side
    18,708.10x = 378,817,573.16
  5. Step 5: Solve for x
    x = 378,817,573.16/18,708.10
  6. Step 6: Final answer
    x = 20,248.85

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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.