Home / 16,938.12-25,409.64-5,252.28

Finding the Fourth Proportional to 16,938.12, 25,409.64 and 5,252.28

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Solution

The fourth proportional to 16,938.12, 25,409.64 and 5,252.28 is: 7,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.12 : 25,409.64 = 5,252.28 : x
  2. Step 2: Convert to fraction form
    16,938.12/25,409.64 = 5,252.28/x
  3. Step 3: Cross multiply
    16,938.12x = 25,409.64 × 5,252.28
  4. Step 4: Simplify right side
    16,938.12x = 133,458,543.98
  5. Step 5: Solve for x
    x = 133,458,543.98/16,938.12
  6. Step 6: Final answer
    x = 7,879.18

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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.