Home / 12,394.22-18,591.32-3,631.64

Finding the Fourth Proportional to 12,394.22, 18,591.32 and 3,631.64

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Solution

The fourth proportional to 12,394.22, 18,591.32 and 3,631.64 is: 5,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.22 : 18,591.32 = 3,631.64 : x
  2. Step 2: Convert to fraction form
    12,394.22/18,591.32 = 3,631.64/x
  3. Step 3: Cross multiply
    12,394.22x = 18,591.32 × 3,631.64
  4. Step 4: Simplify right side
    12,394.22x = 67,516,897.49
  5. Step 5: Solve for x
    x = 67,516,897.49/12,394.22
  6. Step 6: Final answer
    x = 5,447.45

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1.5x scale

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.