Home / 10,702.35-16,047.69-3,305.43

Finding the Fourth Proportional to 10,702.35, 16,047.69 and 3,305.43

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Solution

The fourth proportional to 10,702.35, 16,047.69 and 3,305.43 is: 4,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,702.35 : 16,047.69 = 3,305.43 : x
  2. Step 2: Convert to fraction form
    10,702.35/16,047.69 = 3,305.43/x
  3. Step 3: Cross multiply
    10,702.35x = 16,047.69 × 3,305.43
  4. Step 4: Simplify right side
    10,702.35x = 53,044,515.96
  5. Step 5: Solve for x
    x = 53,044,515.96/10,702.35
  6. Step 6: Final answer
    x = 4,956.34

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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.