Home / 11,521.70-17,271.32-6,251.95

Finding the Fourth Proportional to 11,521.70, 17,271.32 and 6,251.95

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Solution

The fourth proportional to 11,521.70, 17,271.32 and 6,251.95 is: 9,371.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.70 : 17,271.32 = 6,251.95 : x
  2. Step 2: Convert to fraction form
    11,521.70/17,271.32 = 6,251.95/x
  3. Step 3: Cross multiply
    11,521.70x = 17,271.32 × 6,251.95
  4. Step 4: Simplify right side
    11,521.70x = 107,979,311.46
  5. Step 5: Solve for x
    x = 107,979,311.46/11,521.70
  6. Step 6: Final answer
    x = 9,371.82

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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.