Home / 9,329.31-13,991.13-4,393.98

Finding the Fourth Proportional to 9,329.31, 13,991.13 and 4,393.98

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Solution

The fourth proportional to 9,329.31, 13,991.13 and 4,393.98 is: 6,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.31 : 13,991.13 = 4,393.98 : x
  2. Step 2: Convert to fraction form
    9,329.31/13,991.13 = 4,393.98/x
  3. Step 3: Cross multiply
    9,329.31x = 13,991.13 × 4,393.98
  4. Step 4: Simplify right side
    9,329.31x = 61,476,745.40
  5. Step 5: Solve for x
    x = 61,476,745.40/9,329.31
  6. Step 6: Final answer
    x = 6,589.63

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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.