Home / 19,939.64-29,913.03-8,253.77

Finding the Fourth Proportional to 19,939.64, 29,913.03 and 8,253.77

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Solution

The fourth proportional to 19,939.64, 29,913.03 and 8,253.77 is: 12,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.64 : 29,913.03 = 8,253.77 : x
  2. Step 2: Convert to fraction form
    19,939.64/29,913.03 = 8,253.77/x
  3. Step 3: Cross multiply
    19,939.64x = 29,913.03 × 8,253.77
  4. Step 4: Simplify right side
    19,939.64x = 246,895,120.06
  5. Step 5: Solve for x
    x = 246,895,120.06/19,939.64
  6. Step 6: Final answer
    x = 12,382.13

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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.