Home / 9,249.21-13,857.67-7,699.18

Finding the Fourth Proportional to 9,249.21, 13,857.67 and 7,699.18

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Solution

The fourth proportional to 9,249.21, 13,857.67 and 7,699.18 is: 11,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,249.21 : 13,857.67 = 7,699.18 : x
  2. Step 2: Convert to fraction form
    9,249.21/13,857.67 = 7,699.18/x
  3. Step 3: Cross multiply
    9,249.21x = 13,857.67 × 7,699.18
  4. Step 4: Simplify right side
    9,249.21x = 106,692,641.82
  5. Step 5: Solve for x
    x = 106,692,641.82/9,249.21
  6. Step 6: Final answer
    x = 11,535.32

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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.