Home / 14,930.05-20,603.96-8,216.37

Finding the Fourth Proportional to 14,930.05, 20,603.96 and 8,216.37

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Solution

The fourth proportional to 14,930.05, 20,603.96 and 8,216.37 is: 11,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,930.05 : 20,603.96 = 8,216.37 : x
  2. Step 2: Convert to fraction form
    14,930.05/20,603.96 = 8,216.37/x
  3. Step 3: Cross multiply
    14,930.05x = 20,603.96 × 8,216.37
  4. Step 4: Simplify right side
    14,930.05x = 169,289,614.72
  5. Step 5: Solve for x
    x = 169,289,614.72/14,930.05
  6. Step 6: Final answer
    x = 11,338.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.