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Finding the Fourth Proportional to 10,810.47, 14,912.77 and 8,796.13

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Solution

The fourth proportional to 10,810.47, 14,912.77 and 8,796.13 is: 12,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.47 : 14,912.77 = 8,796.13 : x
  2. Step 2: Convert to fraction form
    10,810.47/14,912.77 = 8,796.13/x
  3. Step 3: Cross multiply
    10,810.47x = 14,912.77 × 8,796.13
  4. Step 4: Simplify right side
    10,810.47x = 131,174,619.60
  5. Step 5: Solve for x
    x = 131,174,619.60/10,810.47
  6. Step 6: Final answer
    x = 12,134.04

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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.