Home / 10,702.91-16,054.37-2,911.72

Finding the Fourth Proportional to 10,702.91, 16,054.37 and 2,911.72

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Solution

The fourth proportional to 10,702.91, 16,054.37 and 2,911.72 is: 4,367.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.91 : 16,054.37 = 2,911.72 : x
  2. Step 2: Convert to fraction form
    10,702.91/16,054.37 = 2,911.72/x
  3. Step 3: Cross multiply
    10,702.91x = 16,054.37 × 2,911.72
  4. Step 4: Simplify right side
    10,702.91x = 46,745,830.22
  5. Step 5: Solve for x
    x = 46,745,830.22/10,702.91
  6. Step 6: Final answer
    x = 4,367.58

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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.