Home / 9,150.27-13,692.60-7,921.91

Finding the Fourth Proportional to 9,150.27, 13,692.60 and 7,921.91

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Solution

The fourth proportional to 9,150.27, 13,692.60 and 7,921.91 is: 11,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.27 : 13,692.60 = 7,921.91 : x
  2. Step 2: Convert to fraction form
    9,150.27/13,692.60 = 7,921.91/x
  3. Step 3: Cross multiply
    9,150.27x = 13,692.60 × 7,921.91
  4. Step 4: Simplify right side
    9,150.27x = 108,471,476.40
  5. Step 5: Solve for x
    x = 108,471,476.40/9,150.27
  6. Step 6: Final answer
    x = 11,854.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.