Home / 10,745.85-16,118.79-5,817.81

Finding the Fourth Proportional to 10,745.85, 16,118.79 and 5,817.81

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Solution

The fourth proportional to 10,745.85, 16,118.79 and 5,817.81 is: 8,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.85 : 16,118.79 = 5,817.81 : x
  2. Step 2: Convert to fraction form
    10,745.85/16,118.79 = 5,817.81/x
  3. Step 3: Cross multiply
    10,745.85x = 16,118.79 × 5,817.81
  4. Step 4: Simplify right side
    10,745.85x = 93,776,057.65
  5. Step 5: Solve for x
    x = 93,776,057.65/10,745.85
  6. Step 6: Final answer
    x = 8,726.72

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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.