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Finding the Fourth Proportional to 10,609.13, 14,640.19 and 5,893.71

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Solution

The fourth proportional to 10,609.13, 14,640.19 and 5,893.71 is: 8,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.13 : 14,640.19 = 5,893.71 : x
  2. Step 2: Convert to fraction form
    10,609.13/14,640.19 = 5,893.71/x
  3. Step 3: Cross multiply
    10,609.13x = 14,640.19 × 5,893.71
  4. Step 4: Simplify right side
    10,609.13x = 86,285,034.20
  5. Step 5: Solve for x
    x = 86,285,034.20/10,609.13
  6. Step 6: Final answer
    x = 8,133.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.