Home / 13,619.16-20,424.24-4,383

Finding the Fourth Proportional to 13,619.16, 20,424.24 and 4,383

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Solution

The fourth proportional to 13,619.16, 20,424.24 and 4,383 is: 6,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.16 : 20,424.24 = 4,383 : x
  2. Step 2: Convert to fraction form
    13,619.16/20,424.24 = 4,383/x
  3. Step 3: Cross multiply
    13,619.16x = 20,424.24 × 4,383
  4. Step 4: Simplify right side
    13,619.16x = 89,519,443.92
  5. Step 5: Solve for x
    x = 89,519,443.92/13,619.16
  6. Step 6: Final answer
    x = 6,573.05

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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.