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Finding the Fourth Proportional to 10,516.64, 14,512.92 and 5,801

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Solution

The fourth proportional to 10,516.64, 14,512.92 and 5,801 is: 8,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.64 : 14,512.92 = 5,801 : x
  2. Step 2: Convert to fraction form
    10,516.64/14,512.92 = 5,801/x
  3. Step 3: Cross multiply
    10,516.64x = 14,512.92 × 5,801
  4. Step 4: Simplify right side
    10,516.64x = 84,189,448.92
  5. Step 5: Solve for x
    x = 84,189,448.92/10,516.64
  6. Step 6: Final answer
    x = 8,005.36

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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.