Home / 10,750.06-16,129.68-5,813.92

Finding the Fourth Proportional to 10,750.06, 16,129.68 and 5,813.92

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Solution

The fourth proportional to 10,750.06, 16,129.68 and 5,813.92 is: 8,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,750.06 : 16,129.68 = 5,813.92 : x
  2. Step 2: Convert to fraction form
    10,750.06/16,129.68 = 5,813.92/x
  3. Step 3: Cross multiply
    10,750.06x = 16,129.68 × 5,813.92
  4. Step 4: Simplify right side
    10,750.06x = 93,776,669.15
  5. Step 5: Solve for x
    x = 93,776,669.15/10,750.06
  6. Step 6: Final answer
    x = 8,723.36

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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.