Home / 9,249.24-13,903.94-7,420.37

Finding the Fourth Proportional to 9,249.24, 13,903.94 and 7,420.37

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Solution

The fourth proportional to 9,249.24, 13,903.94 and 7,420.37 is: 11,154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.24 : 13,903.94 = 7,420.37 : x
  2. Step 2: Convert to fraction form
    9,249.24/13,903.94 = 7,420.37/x
  3. Step 3: Cross multiply
    9,249.24x = 13,903.94 × 7,420.37
  4. Step 4: Simplify right side
    9,249.24x = 103,172,272.64
  5. Step 5: Solve for x
    x = 103,172,272.64/9,249.24
  6. Step 6: Final answer
    x = 11,154.68

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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.