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Finding the Fourth Proportional to 10,425.11, 14,383.08 and 5,945.64

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Solution

The fourth proportional to 10,425.11, 14,383.08 and 5,945.64 is: 8,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.11 : 14,383.08 = 5,945.64 : x
  2. Step 2: Convert to fraction form
    10,425.11/14,383.08 = 5,945.64/x
  3. Step 3: Cross multiply
    10,425.11x = 14,383.08 × 5,945.64
  4. Step 4: Simplify right side
    10,425.11x = 85,516,615.77
  5. Step 5: Solve for x
    x = 85,516,615.77/10,425.11
  6. Step 6: Final answer
    x = 8,202.95

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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.