Home / 10,634.88-14,678.04-8,112.96

Finding the Fourth Proportional to 10,634.88, 14,678.04 and 8,112.96

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Solution

The fourth proportional to 10,634.88, 14,678.04 and 8,112.96 is: 11,197.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.88 : 14,678.04 = 8,112.96 : x
  2. Step 2: Convert to fraction form
    10,634.88/14,678.04 = 8,112.96/x
  3. Step 3: Cross multiply
    10,634.88x = 14,678.04 × 8,112.96
  4. Step 4: Simplify right side
    10,634.88x = 119,082,351.40
  5. Step 5: Solve for x
    x = 119,082,351.40/10,634.88
  6. Step 6: Final answer
    x = 11,197.34

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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.