Home / 14,500.70-21,754.29-4,640.57

Finding the Fourth Proportional to 14,500.70, 21,754.29 and 4,640.57

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Solution

The fourth proportional to 14,500.70, 21,754.29 and 4,640.57 is: 6,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,500.70 : 21,754.29 = 4,640.57 : x
  2. Step 2: Convert to fraction form
    14,500.70/21,754.29 = 4,640.57/x
  3. Step 3: Cross multiply
    14,500.70x = 21,754.29 × 4,640.57
  4. Step 4: Simplify right side
    14,500.70x = 100,952,305.55
  5. Step 5: Solve for x
    x = 100,952,305.55/14,500.70
  6. Step 6: Final answer
    x = 6,961.89

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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.