Home / 10,954.66-16,439.90-4,382.68

Finding the Fourth Proportional to 10,954.66, 16,439.90 and 4,382.68

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Solution

The fourth proportional to 10,954.66, 16,439.90 and 4,382.68 is: 6,577.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.66 : 16,439.90 = 4,382.68 : x
  2. Step 2: Convert to fraction form
    10,954.66/16,439.90 = 4,382.68/x
  3. Step 3: Cross multiply
    10,954.66x = 16,439.90 × 4,382.68
  4. Step 4: Simplify right side
    10,954.66x = 72,050,820.93
  5. Step 5: Solve for x
    x = 72,050,820.93/10,954.66
  6. Step 6: Final answer
    x = 6,577.18

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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.