Home / 14,640.38-21,961.17-4,252.13

Finding the Fourth Proportional to 14,640.38, 21,961.17 and 4,252.13

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Solution

The fourth proportional to 14,640.38, 21,961.17 and 4,252.13 is: 6,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.38 : 21,961.17 = 4,252.13 : x
  2. Step 2: Convert to fraction form
    14,640.38/21,961.17 = 4,252.13/x
  3. Step 3: Cross multiply
    14,640.38x = 21,961.17 × 4,252.13
  4. Step 4: Simplify right side
    14,640.38x = 93,381,749.79
  5. Step 5: Solve for x
    x = 93,381,749.79/14,640.38
  6. Step 6: Final answer
    x = 6,378.37

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1.5x scale

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.