Home / 19,983.38-29,979.72-6,835.77

Finding the Fourth Proportional to 19,983.38, 29,979.72 and 6,835.77

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Solution

The fourth proportional to 19,983.38, 29,979.72 and 6,835.77 is: 10,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.38 : 29,979.72 = 6,835.77 : x
  2. Step 2: Convert to fraction form
    19,983.38/29,979.72 = 6,835.77/x
  3. Step 3: Cross multiply
    19,983.38x = 29,979.72 × 6,835.77
  4. Step 4: Simplify right side
    19,983.38x = 204,934,470.58
  5. Step 5: Solve for x
    x = 204,934,470.58/19,983.38
  6. Step 6: Final answer
    x = 10,255.25

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1.5x scale

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.