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Finding the Fourth Proportional to 10,696.63, 14,761.08 and 5,916.45

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Solution

The fourth proportional to 10,696.63, 14,761.08 and 5,916.45 is: 8,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696.63 : 14,761.08 = 5,916.45 : x
  2. Step 2: Convert to fraction form
    10,696.63/14,761.08 = 5,916.45/x
  3. Step 3: Cross multiply
    10,696.63x = 14,761.08 × 5,916.45
  4. Step 4: Simplify right side
    10,696.63x = 87,333,117.96
  5. Step 5: Solve for x
    x = 87,333,117.96/10,696.63
  6. Step 6: Final answer
    x = 8,164.55

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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.