Home / 12,433.11-18,630.51-5,765.50

Finding the Fourth Proportional to 12,433.11, 18,630.51 and 5,765.50

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Solution

The fourth proportional to 12,433.11, 18,630.51 and 5,765.50 is: 8,639.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.11 : 18,630.51 = 5,765.50 : x
  2. Step 2: Convert to fraction form
    12,433.11/18,630.51 = 5,765.50/x
  3. Step 3: Cross multiply
    12,433.11x = 18,630.51 × 5,765.50
  4. Step 4: Simplify right side
    12,433.11x = 107,414,205.41
  5. Step 5: Solve for x
    x = 107,414,205.41/12,433.11
  6. Step 6: Final answer
    x = 8,639.37

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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.