Home / 11,579.10-15,979.15-6,273.91

Finding the Fourth Proportional to 11,579.10, 15,979.15 and 6,273.91

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Solution

The fourth proportional to 11,579.10, 15,979.15 and 6,273.91 is: 8,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.10 : 15,979.15 = 6,273.91 : x
  2. Step 2: Convert to fraction form
    11,579.10/15,979.15 = 6,273.91/x
  3. Step 3: Cross multiply
    11,579.10x = 15,979.15 × 6,273.91
  4. Step 4: Simplify right side
    11,579.10x = 100,251,776.79
  5. Step 5: Solve for x
    x = 100,251,776.79/11,579.10
  6. Step 6: Final answer
    x = 8,658.00

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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.