Home / 11,579.67-15,979.98-6,274.50

Finding the Fourth Proportional to 11,579.67, 15,979.98 and 6,274.50

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Solution

The fourth proportional to 11,579.67, 15,979.98 and 6,274.50 is: 8,658.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.67 : 15,979.98 = 6,274.50 : x
  2. Step 2: Convert to fraction form
    11,579.67/15,979.98 = 6,274.50/x
  3. Step 3: Cross multiply
    11,579.67x = 15,979.98 × 6,274.50
  4. Step 4: Simplify right side
    11,579.67x = 100,266,384.51
  5. Step 5: Solve for x
    x = 100,266,384.51/11,579.67
  6. Step 6: Final answer
    x = 8,658.83

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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.