Home / 9,329.33-12,865.30-6,145.43

Finding the Fourth Proportional to 9,329.33, 12,865.30 and 6,145.43

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Solution

The fourth proportional to 9,329.33, 12,865.30 and 6,145.43 is: 8,474.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,329.33 : 12,865.30 = 6,145.43 : x
  2. Step 2: Convert to fraction form
    9,329.33/12,865.30 = 6,145.43/x
  3. Step 3: Cross multiply
    9,329.33x = 12,865.30 × 6,145.43
  4. Step 4: Simplify right side
    9,329.33x = 79,062,720.89
  5. Step 5: Solve for x
    x = 79,062,720.89/9,329.33
  6. Step 6: Final answer
    x = 8,474.64

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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.