Home / 10,835.12-16,205.75-6,382.17

Finding the Fourth Proportional to 10,835.12, 16,205.75 and 6,382.17

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Solution

The fourth proportional to 10,835.12, 16,205.75 and 6,382.17 is: 9,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,835.12 : 16,205.75 = 6,382.17 : x
  2. Step 2: Convert to fraction form
    10,835.12/16,205.75 = 6,382.17/x
  3. Step 3: Cross multiply
    10,835.12x = 16,205.75 × 6,382.17
  4. Step 4: Simplify right side
    10,835.12x = 103,427,851.48
  5. Step 5: Solve for x
    x = 103,427,851.48/10,835.12
  6. Step 6: Final answer
    x = 9,545.61

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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.