Home / 11,068.68-15,274.30-6,288.61

Finding the Fourth Proportional to 11,068.68, 15,274.30 and 6,288.61

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Solution

The fourth proportional to 11,068.68, 15,274.30 and 6,288.61 is: 8,678.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.68 : 15,274.30 = 6,288.61 : x
  2. Step 2: Convert to fraction form
    11,068.68/15,274.30 = 6,288.61/x
  3. Step 3: Cross multiply
    11,068.68x = 15,274.30 × 6,288.61
  4. Step 4: Simplify right side
    11,068.68x = 96,054,115.72
  5. Step 5: Solve for x
    x = 96,054,115.72/11,068.68
  6. Step 6: Final answer
    x = 8,678.01

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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.