Home / 11,350.20-15,663.06-6,634.38

Finding the Fourth Proportional to 11,350.20, 15,663.06 and 6,634.38

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Solution

The fourth proportional to 11,350.20, 15,663.06 and 6,634.38 is: 9,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.20 : 15,663.06 = 6,634.38 : x
  2. Step 2: Convert to fraction form
    11,350.20/15,663.06 = 6,634.38/x
  3. Step 3: Cross multiply
    11,350.20x = 15,663.06 × 6,634.38
  4. Step 4: Simplify right side
    11,350.20x = 103,914,692.00
  5. Step 5: Solve for x
    x = 103,914,692.00/11,350.20
  6. Step 6: Final answer
    x = 9,155.32

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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.