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Finding the Fourth Proportional to 10,608.81, 14,640.53 and 5,893.53

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Solution

The fourth proportional to 10,608.81, 14,640.53 and 5,893.53 is: 8,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608.81 : 14,640.53 = 5,893.53 : x
  2. Step 2: Convert to fraction form
    10,608.81/14,640.53 = 5,893.53/x
  3. Step 3: Cross multiply
    10,608.81x = 14,640.53 × 5,893.53
  4. Step 4: Simplify right side
    10,608.81x = 86,284,373.30
  5. Step 5: Solve for x
    x = 86,284,373.30/10,608.81
  6. Step 6: Final answer
    x = 8,133.28

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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.