Home / 10,930.85-16,396.25-4,686.81

Finding the Fourth Proportional to 10,930.85, 16,396.25 and 4,686.81

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Solution

The fourth proportional to 10,930.85, 16,396.25 and 4,686.81 is: 7,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,930.85 : 16,396.25 = 4,686.81 : x
  2. Step 2: Convert to fraction form
    10,930.85/16,396.25 = 4,686.81/x
  3. Step 3: Cross multiply
    10,930.85x = 16,396.25 × 4,686.81
  4. Step 4: Simplify right side
    10,930.85x = 76,846,085.03
  5. Step 5: Solve for x
    x = 76,846,085.03/10,930.85
  6. Step 6: Final answer
    x = 7,030.21

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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.