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Finding the Fourth Proportional to 10,505.94, 14,504.13 and 6,973.98

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Solution

The fourth proportional to 10,505.94, 14,504.13 and 6,973.98 is: 9,628.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.94 : 14,504.13 = 6,973.98 : x
  2. Step 2: Convert to fraction form
    10,505.94/14,504.13 = 6,973.98/x
  3. Step 3: Cross multiply
    10,505.94x = 14,504.13 × 6,973.98
  4. Step 4: Simplify right side
    10,505.94x = 101,151,512.54
  5. Step 5: Solve for x
    x = 101,151,512.54/10,505.94
  6. Step 6: Final answer
    x = 9,628.03

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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.