Home / 12,433.32-18,645.12-4,639.68

Finding the Fourth Proportional to 12,433.32, 18,645.12 and 4,639.68

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Solution

The fourth proportional to 12,433.32, 18,645.12 and 4,639.68 is: 6,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.32 : 18,645.12 = 4,639.68 : x
  2. Step 2: Convert to fraction form
    12,433.32/18,645.12 = 4,639.68/x
  3. Step 3: Cross multiply
    12,433.32x = 18,645.12 × 4,639.68
  4. Step 4: Simplify right side
    12,433.32x = 86,507,390.36
  5. Step 5: Solve for x
    x = 86,507,390.36/12,433.32
  6. Step 6: Final answer
    x = 6,957.71

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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.