Home / 12,632.55-18,938.54-4,730.64

Finding the Fourth Proportional to 12,632.55, 18,938.54 and 4,730.64

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Solution

The fourth proportional to 12,632.55, 18,938.54 and 4,730.64 is: 7,092.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.55 : 18,938.54 = 4,730.64 : x
  2. Step 2: Convert to fraction form
    12,632.55/18,938.54 = 4,730.64/x
  3. Step 3: Cross multiply
    12,632.55x = 18,938.54 × 4,730.64
  4. Step 4: Simplify right side
    12,632.55x = 89,591,414.87
  5. Step 5: Solve for x
    x = 89,591,414.87/12,632.55
  6. Step 6: Final answer
    x = 7,092.11

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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.